wpsnoop: fix Trade Line theme conflicts, errors & issues

When the theme Trade Line conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by Trade Line, plus learn which plugins and/or themes could be in conflict with Trade Line.


Troubleshooting theme and plugin conflicts is easier when you know what Trade Line leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for Trade Line

Get professional support for Trade Line here

When you need professional help with WordPress: get help here


What does Trade Line version 1.9 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Trade Line to perform differently in your installation, previous versions before 1.9 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 1.9 of Trade Line behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this theme but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for Trade Line by clicking here.

Our testing covered the free version of this theme there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does Trade Line add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/themes/trade-line/ 1.77MB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/404.php 1.07kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/archive.php 1.44kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/comments.php 3.13kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/ 30.09kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/blocks.css 13.17kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/customize-controls.css 462.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/customize-controls.min.css 422.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/customizer.css 384.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/customizer.min.css 252.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/editor-blocks.css 15.40kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/editor-style.css 26.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/css/editor-style.min.css 19.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/footer.php 1.07kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/front-page.php 212.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/functions.php 9.87kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/header.php 1.67kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/home.php 1.33kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/images/ 4.83kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/images/body-bg.png 89.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/images/cta-shadow.png 2.30kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/images/sidebar-title-bg.png 107.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/images/widget-shadow.png 2.34kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/ 173.77kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/core.php 1.02kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/custom-header.php 553.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer.php 3.98kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/ 38.93kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/callback.php 2.38kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/control.php 5.25kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/default.php 2.26kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/featured-content.php 4.15kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/option.php 10.33kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/partials.php 450.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/sanitize.php 6.50kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/customizer/slider.php 7.63kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/extras.php 587.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/helper/ 12.17kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/helper/common.php 5.05kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/helper/options.php 7.13kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/ 35.00kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/basic.php 6.00kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/css.php 509.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/custom.php 11.91kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/featured-content.php 5.39kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/slider.php 7.76kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/hook/structure.php 3.44kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/init.php 1.44kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/metabox.php 4.92kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/support.php 200.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/support/ 5.56kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/support/footer-widgets.php 5.56kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/template-tags.php 4.32kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/inc/widgets.php 65.11kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/index.php 1.67kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/ 3.50kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/custom.js 0.99kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/custom.min.js 704.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/customize-controls.js 277.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/customize-controls.min.js 150.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/skip-link-focus-fix.js 880.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/js/skip-link-focus-fix.min.js 557.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/languages/ 17.55kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/languages/trade-line.pot 17.55kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/lib/ 38.08kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/lib/breadcrumbs.php 38.08kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/page.php 1.02kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/readme.txt 2.99kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/screenshot.png 210.74kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/search.php 1.43kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/sidebar-secondary.php 683.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/sidebar.php 673.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/single.php 900.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/style.css 70.57kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/ 6.69kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/author-bio.php 906.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/content-none.php 1.13kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/content-page.php 963.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/content-search.php 796.00B No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/content-single.php 1.11kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/template-parts/content.php 1.85kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/ 1.20MB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/cycle2/ 70.23kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/cycle2/js/ 70.23kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/cycle2/js/jquery.cycle2.js 47.83kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/cycle2/js/jquery.cycle2.min.js 22.40kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/ 1.10MB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/css/ 66.81kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/css/font-awesome.css 36.54kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/css/font-awesome.min.css 30.27kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/ 1.04MB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/fontawesome-webfont.eot 161.86kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/fontawesome-webfont.svg 433.96kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/fontawesome-webfont.ttf 161.67kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/fontawesome-webfont.woff 95.73kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/fontawesome-webfont.woff2 75.35kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/font-awesome/fonts/FontAwesome.otf 131.65kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/ 30.35kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/css/ 7.37kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/css/jquery.sidr.dark.css 3.99kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/css/jquery.sidr.dark.min.css 3.39kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/js/ 22.98kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/js/jquery.sidr.js 16.11kB No known conflicts with other themes or plugins.
wp-content/themes/trade-line/third-party/sidr/js/jquery.sidr.min.js 6.87kB No known conflicts with other themes or plugins.

Which new shortcodes does Trade Line add to WordPress?

Which new database tables are created by the WordPress theme Trade Line?

Which new options are added to the wp-options table by Trade Line?

Option Name   Known Conflicts
current_theme Potential conflict with 8753 plugins or themes
theme_mods_twentytwentytwo Potential conflict with 8767 plugins or themes
theme_switched Potential conflict with 8753 plugins or themes
theme_mods_trade-line The theme_mods_trade-line option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-advanced-recent-posts The widget_trade-line-advanced-recent-posts option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-call-to-action The widget_trade-line-call-to-action option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-featured-page The widget_trade-line-featured-page option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-latest-news The widget_trade-line-latest-news option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-services The widget_trade-line-services option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-social The widget_trade-line-social option doesn't have any known conflicts with other themes or plugins.
widget_trade-line-teams The widget_trade-line-teams option doesn't have any known conflicts with other themes or plugins.

During use Trade Line may or may not create more options depending on how the theme is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does Trade Line declare when it is active?

Function   Conflicts Common Errors
trade_line_add_author_bio_in_single 0 conflicts Fatal error: Cannot redeclare trade_line_add_author_bio_in_single()
trade_line_add_blocks_style 0 conflicts Fatal error: Cannot redeclare trade_line_add_blocks_style()
trade_line_add_breadcrumb 0 conflicts Fatal error: Cannot redeclare trade_line_add_breadcrumb()
trade_line_add_featured_content 0 conflicts Fatal error: Cannot redeclare trade_line_add_featured_content()
trade_line_add_featured_slider 0 conflicts Fatal error: Cannot redeclare trade_line_add_featured_slider()
trade_line_add_front_page_widget_area 0 conflicts Fatal error: Cannot redeclare trade_line_add_front_page_widget_area()
trade_line_add_image_in_single_display 0 conflicts Fatal error: Cannot redeclare trade_line_add_image_in_single_display()
trade_line_add_primary_navigation 0 conflicts Fatal error: Cannot redeclare trade_line_add_primary_navigation()
trade_line_add_sidebar 0 conflicts Fatal error: Cannot redeclare trade_line_add_sidebar()
trade_line_add_theme_meta_box 0 conflicts Fatal error: Cannot redeclare trade_line_add_theme_meta_box()
trade_line_block_editor_styles 0 conflicts Fatal error: Cannot redeclare trade_line_block_editor_styles()
trade_line_blocks_support 0 conflicts Fatal error: Cannot redeclare trade_line_blocks_support()
trade_line_body_classes 0 conflicts Fatal error: Cannot redeclare trade_line_body_classes()
trade_line_categorized_blog 0 conflicts Fatal error: Cannot redeclare trade_line_categorized_blog()
trade_line_category_transient_flusher 0 conflicts Fatal error: Cannot redeclare trade_line_category_transient_flusher()
trade_line_check_featured_content_status 0 conflicts Fatal error: Cannot redeclare trade_line_check_featured_content_status()
trade_line_check_slider_status 0 conflicts Fatal error: Cannot redeclare trade_line_check_slider_status()
trade_line_content_end 0 conflicts Fatal error: Cannot redeclare trade_line_content_end()
trade_line_content_more_link 0 conflicts Fatal error: Cannot redeclare trade_line_content_more_link()
trade_line_content_start 0 conflicts Fatal error: Cannot redeclare trade_line_content_start()
trade_line_content_width 0 conflicts Fatal error: Cannot redeclare trade_line_content_width()
trade_line_custom_body_class 0 conflicts Fatal error: Cannot redeclare trade_line_custom_body_class()
trade_line_custom_content_width 0 conflicts Fatal error: Cannot redeclare trade_line_custom_content_width()
trade_line_custom_header_setup 0 conflicts Fatal error: Cannot redeclare trade_line_custom_header_setup()
trade_line_custom_posts_navigation 0 conflicts Fatal error: Cannot redeclare trade_line_custom_posts_navigation()
trade_line_customize_register 0 conflicts Fatal error: Cannot redeclare trade_line_customize_register()
trade_line_customizer_control_scripts 0 conflicts Fatal error: Cannot redeclare trade_line_customizer_control_scripts()
trade_line_customizer_partials 0 conflicts Fatal error: Cannot redeclare trade_line_customizer_partials()
trade_line_display_default_widget_in_front_page 0 conflicts Fatal error: Cannot redeclare trade_line_display_default_widget_in_front_page()
trade_line_doctype 0 conflicts Fatal error: Cannot redeclare trade_line_doctype()
trade_line_entry_footer 0 conflicts Fatal error: Cannot redeclare trade_line_entry_footer()
trade_line_exclude_category_in_blog_page 0 conflicts Fatal error: Cannot redeclare trade_line_exclude_category_in_blog_page()
trade_line_featured_image_instruction 0 conflicts Fatal error: Cannot redeclare trade_line_featured_image_instruction()
trade_line_fonts_url 0 conflicts Fatal error: Cannot redeclare trade_line_fonts_url()
trade_line_footer_copyright 0 conflicts Fatal error: Cannot redeclare trade_line_footer_copyright()
trade_line_footer_end 0 conflicts Fatal error: Cannot redeclare trade_line_footer_end()
trade_line_footer_goto_top 0 conflicts Fatal error: Cannot redeclare trade_line_footer_goto_top()
trade_line_footer_start 0 conflicts Fatal error: Cannot redeclare trade_line_footer_start()
trade_line_get_archive_layout_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_archive_layout_options()
trade_line_get_breadcrumb_type_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_breadcrumb_type_options()
trade_line_get_default_theme_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_default_theme_options()
trade_line_get_featured_content_details 0 conflicts Fatal error: Cannot redeclare trade_line_get_featured_content_details()
trade_line_get_featured_content_status_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_featured_content_status_options()
trade_line_get_featured_content_type 0 conflicts Fatal error: Cannot redeclare trade_line_get_featured_content_type()
trade_line_get_featured_slider_content_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_featured_slider_content_options()
trade_line_get_featured_slider_transition_effects 0 conflicts Fatal error: Cannot redeclare trade_line_get_featured_slider_transition_effects()
trade_line_get_featured_slider_type 0 conflicts Fatal error: Cannot redeclare trade_line_get_featured_slider_type()
trade_line_get_global_layout_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_global_layout_options()
trade_line_get_image_alignment_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_image_alignment_options()
trade_line_get_image_sizes_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_image_sizes_options()
trade_line_get_index_page_id 0 conflicts Fatal error: Cannot redeclare trade_line_get_index_page_id()
trade_line_get_option 0 conflicts Fatal error: Cannot redeclare trade_line_get_option()
trade_line_get_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_options()
trade_line_get_pagination_type_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_pagination_type_options()
trade_line_get_sidebar_options 0 conflicts Fatal error: Cannot redeclare trade_line_get_sidebar_options()
trade_line_get_slider_details 0 conflicts Fatal error: Cannot redeclare trade_line_get_slider_details()
trade_line_head 0 conflicts Fatal error: Cannot redeclare trade_line_head()
trade_line_header_end 0 conflicts Fatal error: Cannot redeclare trade_line_header_end()
trade_line_header_start 0 conflicts Fatal error: Cannot redeclare trade_line_header_start()
trade_line_implement_excerpt_length 0 conflicts Fatal error: Cannot redeclare trade_line_implement_excerpt_length()
trade_line_implement_read_more 0 conflicts Fatal error: Cannot redeclare trade_line_implement_read_more()
trade_line_load_customizer_styles 0 conflicts Fatal error: Cannot redeclare trade_line_load_customizer_styles()
trade_line_load_widgets 0 conflicts Fatal error: Cannot redeclare trade_line_load_widgets()
trade_line_mobile_navigation 0 conflicts Fatal error: Cannot redeclare trade_line_mobile_navigation()
trade_line_page_end 0 conflicts Fatal error: Cannot redeclare trade_line_page_end()
trade_line_page_start 0 conflicts Fatal error: Cannot redeclare trade_line_page_start()
trade_line_posted_on 0 conflicts Fatal error: Cannot redeclare trade_line_posted_on()
trade_line_primary_navigation_fallback 0 conflicts Fatal error: Cannot redeclare trade_line_primary_navigation_fallback()
trade_line_render_featured_content 0 conflicts Fatal error: Cannot redeclare trade_line_render_featured_content()
trade_line_render_featured_slider 0 conflicts Fatal error: Cannot redeclare trade_line_render_featured_slider()
trade_line_render_select_dropdown 0 conflicts Fatal error: Cannot redeclare trade_line_render_select_dropdown()
trade_line_render_theme_settings_metabox 0 conflicts Fatal error: Cannot redeclare trade_line_render_theme_settings_metabox()
trade_line_save_theme_settings_meta 0 conflicts Fatal error: Cannot redeclare trade_line_save_theme_settings_meta()
trade_line_scripts 0 conflicts Fatal error: Cannot redeclare trade_line_scripts()
trade_line_setup 0 conflicts Fatal error: Cannot redeclare trade_line_setup()
trade_line_simple_breadcrumb 0 conflicts Fatal error: Cannot redeclare trade_line_simple_breadcrumb()
trade_line_site_branding 0 conflicts Fatal error: Cannot redeclare trade_line_site_branding()
trade_line_skip_to_content 0 conflicts Fatal error: Cannot redeclare trade_line_skip_to_content()
trade_line_the_custom_logo 0 conflicts Fatal error: Cannot redeclare trade_line_the_custom_logo()
trade_line_the_excerpt 0 conflicts Fatal error: Cannot redeclare trade_line_the_excerpt()
trade_line_trigger_custom_css_action 0 conflicts Fatal error: Cannot redeclare trade_line_trigger_custom_css_action()
trade_line_widgets_init 0 conflicts Fatal error: Cannot redeclare trade_line_widgets_init()

Using Trade Line from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install Trade Line from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp theme install trade-line


How to activate Trade Line from the command line with WP-CLI

To immediately activate Trade Line after WP-CLI downloads the latest version you can use the following command:

wp theme install trade-line --activate


How to reinstall Trade Line from the command line with WP-CLI

To force a reinstallation of Trade Line which overwrites the current plugin without asking for confirmation you can use the following command:

wp theme install trade-line --force


How to update Trade Line to the latest version from the command line with WP-CLI

wp theme update trade-line


How to delete Trade Line from the command line with WP-CLI

wp theme delete trade-line --force

Where can you download earlier versions of Trade Line?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of Trade Line from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in Trade Line

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with Trade Line. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.