wpsnoop: fix Forms by Systemo plugin conflicts, errors & issues

When the plugin Forms by Systemo 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 Forms by Systemo, plus learn which plugins and/or themes could be in conflict with Forms by Systemo.


Troubleshooting theme and plugin conflicts is easier when you know what Forms by Systemo 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 Forms by Systemo

Get professional support for Forms by Systemo here

When you need professional help with WordPress: get help here


What does Forms by Systemo version 20150609 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Forms by Systemo to perform differently in your installation, previous versions before 20150609 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 20150609 of Forms by Systemo behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin 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 Forms by Systemo by clicking here.

Our testing covered the free version of this plugin 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 Forms by Systemo add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/set-thumbnail-automatically-s/ 35.79kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/forms-s.php 4.41kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/ 19.21kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/add_message_to_post.php 2.46kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/emailer.php 1.37kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/forms-tmpl.php 8.72kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/shortcodes/ 5.40kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/shortcodes/form-cp.php 1.68kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/shortcodes/form-s.php 733.00B No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/shortcodes/input-cp.php 1.66kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/shortcodes/textarea-cp.php 1.34kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/includes/spam_protect.php 1.25kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/languages/ 10.32kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/languages/forms_s-ru_RU.mo 2.39kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/languages/forms_s-ru_RU.po 4.35kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/languages/forms_s.pot 3.57kB No known conflicts with other themes or plugins.
wp-content/plugins/set-thumbnail-automatically-s/README.md 1.86kB No known conflicts with other themes or plugins.

Which new shortcodes does Forms by Systemo add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[form-cp] The form-cp shortcode has potential conflict with at least 1 other plugin or theme.
[form-s] The form-s shortcode has potential conflict with at least 1 other plugin or theme.
[input-cp] The input-cp shortcode has potential conflict with at least 1 other plugin or theme.
[textarea-cp] The textarea-cp shortcode has potential conflict with at least 1 other plugin or theme.

Note: We have not yet checked to see if these shortcodes work as expected in pages, posts, sidebar widgets, or when set as the page title, in content, in the excert, in menus or anywhere else within a WordPress installation. A shortcode could produce errors due to parameters added when it is used, or if the plugin is updated and the format of the shortcode has changed.

Which new database tables are created by the WordPress plugin Forms by Systemo?

Which new options are added to the wp-options table by Forms by Systemo?

What new PHP functions does Forms by Systemo declare when it is active?

Function   Conflicts Common Errors
activation_form_emailer_cp 1 conflict Fatal error: Cannot redeclare activation_form_emailer_cp()
add_cp_callback_views_column 1 conflict Fatal error: Cannot redeclare add_cp_callback_views_column()
add_message_to_posts 1 conflict Fatal error: Cannot redeclare add_message_to_posts()
add_post_type_form_tmpl_s 1 conflict Fatal error: Cannot redeclare add_post_type_form_tmpl_s()
check_new_msg_and_send_callback 1 conflict Fatal error: Cannot redeclare check_new_msg_and_send_callback()
check_spam_form_cp 1 conflict Fatal error: Cannot redeclare check_spam_form_cp()
cp_callback_activation 1 conflict Fatal error: Cannot redeclare cp_callback_activation()
cp_callback_meta_boxes 1 conflict Fatal error: Cannot redeclare cp_callback_meta_boxes()
cp_callback_print_box 1 conflict Fatal error: Cannot redeclare cp_callback_print_box()
cpcallbackform_func 1 conflict Fatal error: Cannot redeclare cpcallbackform_func()
cpform_func 1 conflict Fatal error: Cannot redeclare cpform_func()
custom_message_cp_column 1 conflict Fatal error: Cannot redeclare custom_message_cp_column()
deactivation_form_emailer_cp 1 conflict Fatal error: Cannot redeclare deactivation_form_emailer_cp()
delete_notice 1 conflict Fatal error: Cannot redeclare delete_notice()
disable_for_cpt 2 conflicts Fatal error: Cannot redeclare disable_for_cpt()
fill_cp_callback_views_column 1 conflict Fatal error: Cannot redeclare fill_cp_callback_views_column()
form_message_add_post_type_cp 1 conflict Fatal error: Cannot redeclare form_message_add_post_type_cp()
form_s_shortcode 1 conflict Fatal error: Cannot redeclare form_s_shortcode()
form_template_print_box 1 conflict Fatal error: Cannot redeclare form_template_print_box()
get_form_template_default 1 conflict Fatal error: Cannot redeclare get_form_template_default()
get_notify_template_default 1 conflict Fatal error: Cannot redeclare get_notify_template_default()
get_spam_protect_html 1 conflict Fatal error: Cannot redeclare get_spam_protect_html()
notice_template_print_box 1 conflict Fatal error: Cannot redeclare notice_template_print_box()
plugins_loaded_textdomain_forms_s 1 conflict Fatal error: Cannot redeclare plugins_loaded_textdomain_forms_s()
registration_form_tag_s_taxonomy 1 conflict Fatal error: Cannot redeclare registration_form_tag_s_taxonomy()
save_form_tmpl_s_content 1 conflict Fatal error: Cannot redeclare save_form_tmpl_s_content()
set_custom_edit_message_cp_columns 1 conflict Fatal error: Cannot redeclare set_custom_edit_message_cp_columns()
set_html_content_type_cp 1 conflict Fatal error: Cannot redeclare set_html_content_type_cp()
template_meta_boxes 1 conflict Fatal error: Cannot redeclare template_meta_boxes()
textarea_callback_cp 1 conflict Fatal error: Cannot redeclare textarea_callback_cp()
wpb_adding_scripts 10 conflicts Fatal error: Cannot redeclare wpb_adding_scripts()

Using Forms by Systemo 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 Forms by Systemo from the command line with WP-CLI

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

wp plugin install set-thumbnail-automatically-s


How to activate Forms by Systemo from the command line with WP-CLI

To immediately activate Forms by Systemo after WP-CLI downloads the latest version you can use the following command:

wp plugin install set-thumbnail-automatically-s --activate


How to reinstall Forms by Systemo from the command line with WP-CLI

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

wp plugin install set-thumbnail-automatically-s --force


How to update Forms by Systemo to the latest version from the command line with WP-CLI

wp plugin update set-thumbnail-automatically-s


How to delete Forms by Systemo from the command line with WP-CLI

wp plugin delete set-thumbnail-automatically-s

Where can you download earlier versions of Forms by Systemo?

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 Forms by Systemo 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 Forms by Systemo

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 Forms by Systemo. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.