wpsnoop: fix Discussion Board plugin conflicts, errors & issues

When the plugin Discussion Board 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 Discussion Board, plus learn which plugins and/or themes could be in conflict with Discussion Board.


Troubleshooting theme and plugin conflicts is easier when you know what Discussion Board 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 Discussion Board

Get professional support for Discussion Board here

When you need professional help with WordPress: get help here


What does Discussion Board version 2.4.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Discussion Board to perform differently in your installation, previous versions before 2.4.3 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 2.4.3 of Discussion Board 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 Discussion Board 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 Discussion Board add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/wp-discussion-board/ 696.16kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/ 295.27kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/css/ 31.37kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/css/admin-style.css 1.19kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/css/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/css/lib/ 14.62kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/css/lib/select2.min.css 14.62kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/css/style.css 15.54kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/images/ 194.38kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/images/discussion-board-banner-ad.png 32.51kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/images/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/images/singularity-banner-ad.png 161.84kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/js/ 69.50kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/js/lib/ 69.19kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/js/lib/select2.min.js 69.19kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/assets/js/settings.js 313.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/CONTRIBUTING.md 5.41kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/ 216.37kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/ 156.86kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/ 47.98kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/class-admin-getting-started.php 1.89kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/class-admin-license.php 3.10kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/class-admin-notices.php 6.36kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/class-admin-upgrades.php 2.65kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/class-admin.php 33.96kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/admin/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-bootstrap.php 2.81kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-front-end.php 36.44kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-notifications.php 11.88kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-public.php 4.42kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-registration.php 36.06kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-skins.php 12.18kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-template-loader.php 3.31kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/class-ct-db-user.php 908.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/traits/ 926.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/classes/traits/trait-singleton.php 926.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/config/ 13.42kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/config/components-admin.php 353.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/config/components.php 129.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/config/config.php 442.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/config/settings.php 12.52kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/ 27.73kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/functions-layout.php 4.91kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/functions-messages.php 3.13kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/functions-notifications.php 367.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/functions-registration.php 6.46kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/functions-skins.php 5.55kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/functions-user.php 7.30kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/functions/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/helpers/ 18.33kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/helpers/autoloader.php 799.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/helpers/customizer.php 8.49kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/helpers/deprecated.php 4.21kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/helpers/install.php 4.86kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/includes/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/languages/ 142.26kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/languages/wp-discussion-board-fr_FR.mo 12.09kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/languages/wp-discussion-board-fr_FR.po 38.51kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/languages/wp-discussion-board-ru_RU.mo 14.17kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/languages/wp-discussion-board-ru_RU.po 45.52kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/languages/wp-discussion-board.pot 31.96kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/readme.txt 19.90kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/ 13.23kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/admin/ 7.48kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/admin/free-license-form.php 0.99kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/admin/getting-started.php 6.50kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/archive-discussion-topics.php 2.51kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/comments-classic-forum.php 1.33kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/empty-comments-file.php 184.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/templates/single-discussion-topics.php 1.70kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/wp-discussion-board.php 3.32kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-discussion-board/wpml-config.xml 370.00B No known conflicts with other themes or plugins.

Which new shortcodes does Discussion Board add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[is_logged_in] The is_logged_in shortcode has potential conflict with at least 1 other plugin or theme.
[not_logged_in] The not_logged_in shortcode has potential conflict with at least 1 other plugin or theme.
[discussion_board_form] The discussion_board_form shortcode doesn't have any known conflicts with other themes or plugins.
[discussion_board_log_in_out] The discussion_board_log_in_out shortcode doesn't have any known conflicts with other themes or plugins.
[discussion_board_login_form] The discussion_board_login_form shortcode doesn't have any known conflicts with other themes or plugins.
[discussion_board_login_only] The discussion_board_login_only shortcode doesn't have any known conflicts with other themes or plugins.
[discussion_topics] The discussion_topics shortcode doesn't have any known conflicts with other themes or plugins.
[new_topic_button] The new_topic_button shortcode doesn't have any known conflicts with other themes or plugins.
[recent_discussion_topics] The recent_discussion_topics shortcode doesn't have any known conflicts with other themes or plugins.

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 Discussion Board?

Which new options are added to the wp-options table by Discussion Board?

Option Name   Known Conflicts
ctdb_options_settings The ctdb_options_settings option doesn't have any known conflicts with other themes or plugins.
ctdb_wizard_done The ctdb_wizard_done option doesn't have any known conflicts with other themes or plugins.

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

What new PHP functions does Discussion Board declare when it is active?

Function   Conflicts Common Errors
ctdb_classic_forum_comment 0 conflicts Fatal error: Cannot redeclare ctdb_classic_forum_comment()
ctdb_close_wrapper_archive 0 conflicts Fatal error: Cannot redeclare ctdb_close_wrapper_archive()
ctdb_close_wrapper_single 0 conflicts Fatal error: Cannot redeclare ctdb_close_wrapper_single()
ctdb_count_voices 0 conflicts Fatal error: Cannot redeclare ctdb_count_voices()
ctdb_display_user_name 0 conflicts Fatal error: Cannot redeclare ctdb_display_user_name()
ctdb_email_user_after_registration 0 conflicts Fatal error: Cannot redeclare ctdb_email_user_after_registration()
ctdb_filter_author_name 0 conflicts Fatal error: Cannot redeclare ctdb_filter_author_name()
ctdb_filter_comment_author_name 0 conflicts Fatal error: Cannot redeclare ctdb_filter_comment_author_name()
ctdb_filter_mail_sender_name 0 conflicts Fatal error: Cannot redeclare ctdb_filter_mail_sender_name()
ctdb_general_page_settings 0 conflicts Fatal error: Cannot redeclare ctdb_general_page_settings()
ctdb_get_activation_setting 0 conflicts Fatal error: Cannot redeclare ctdb_get_activation_setting()
ctdb_get_admin_email 0 conflicts Fatal error: Cannot redeclare ctdb_get_admin_email()
ctdb_get_archive_title 0 conflicts Fatal error: Cannot redeclare ctdb_get_archive_title()
ctdb_get_author 0 conflicts Fatal error: Cannot redeclare ctdb_get_author()
ctdb_get_comments_file_path 0 conflicts Fatal error: Cannot redeclare ctdb_get_comments_file_path()
ctdb_get_current_user 0 conflicts Fatal error: Cannot redeclare ctdb_get_current_user()
ctdb_get_current_user_avatar 0 conflicts Fatal error: Cannot redeclare ctdb_get_current_user_avatar()
ctdb_get_current_user_bio 0 conflicts Fatal error: Cannot redeclare ctdb_get_current_user_bio()
ctdb_get_current_user_email 0 conflicts Fatal error: Cannot redeclare ctdb_get_current_user_email()
ctdb_get_extra_fields 0 conflicts Fatal error: Cannot redeclare ctdb_get_extra_fields()
ctdb_get_login_page_id 0 conflicts Fatal error: Cannot redeclare ctdb_get_login_page_id()
ctdb_get_most_recent_comment_time 0 conflicts Fatal error: Cannot redeclare ctdb_get_most_recent_comment_time()
ctdb_get_most_recent_commenter 0 conflicts Fatal error: Cannot redeclare ctdb_get_most_recent_commenter()
ctdb_get_new_topic_message 0 conflicts Fatal error: Cannot redeclare ctdb_get_new_topic_message()
ctdb_get_permitted_poster_roles 0 conflicts Fatal error: Cannot redeclare ctdb_get_permitted_poster_roles()
ctdb_get_permitted_viewer_roles 0 conflicts Fatal error: Cannot redeclare ctdb_get_permitted_viewer_roles()
ctdb_get_protected_registration_fields 0 conflicts Fatal error: Cannot redeclare ctdb_get_protected_registration_fields()
ctdb_get_restricted_message 0 conflicts Fatal error: Cannot redeclare ctdb_get_restricted_message()
ctdb_get_restricted_title 0 conflicts Fatal error: Cannot redeclare ctdb_get_restricted_title()
ctdb_get_restricted_user_message 0 conflicts Fatal error: Cannot redeclare ctdb_get_restricted_user_message()
ctdb_get_role 0 conflicts Fatal error: Cannot redeclare ctdb_get_role()
ctdb_get_unfiltered_permitted_poster_roles 0 conflicts Fatal error: Cannot redeclare ctdb_get_unfiltered_permitted_poster_roles()
ctdb_get_user_settings 0 conflicts Fatal error: Cannot redeclare ctdb_get_user_settings()
ctdb_is_posting_permitted 0 conflicts Fatal error: Cannot redeclare ctdb_is_posting_permitted()
ctdb_is_user_permitted 0 conflicts Fatal error: Cannot redeclare ctdb_is_user_permitted()
ctdb_meta_data_fields 0 conflicts Fatal error: Cannot redeclare ctdb_meta_data_fields()
ctdb_open_wrapper_archive 0 conflicts Fatal error: Cannot redeclare ctdb_open_wrapper_archive()
ctdb_open_wrapper_single 0 conflicts Fatal error: Cannot redeclare ctdb_open_wrapper_single()
ctdb_register_extra_fields 0 conflicts Fatal error: Cannot redeclare ctdb_register_extra_fields()
ctdb_registration_form_fields 0 conflicts Fatal error: Cannot redeclare ctdb_registration_form_fields()
ctdb_selected_meta_fields 0 conflicts Fatal error: Cannot redeclare ctdb_selected_meta_fields()
ctdb_send_admin_email_new_registration 0 conflicts Fatal error: Cannot redeclare ctdb_send_admin_email_new_registration()
ctdb_set_html_content_type 0 conflicts Fatal error: Cannot redeclare ctdb_set_html_content_type()
ctdb_the_archive_title 0 conflicts Fatal error: Cannot redeclare ctdb_the_archive_title()
ctdb_theme_wrappers 0 conflicts Fatal error: Cannot redeclare ctdb_theme_wrappers()
ctdb_topic_date_time 0 conflicts Fatal error: Cannot redeclare ctdb_topic_date_time()
ctdb_use_icons 0 conflicts Fatal error: Cannot redeclare ctdb_use_icons()
wpdbd_create_pages 0 conflicts Fatal error: Cannot redeclare wpdbd_create_pages()
wpdbd_customize_register 0 conflicts Fatal error: Cannot redeclare wpdbd_customize_register()
wpdbd_customizer_settings 0 conflicts Fatal error: Cannot redeclare wpdbd_customizer_settings()
wpdbd_enqueue_color_picker 0 conflicts Fatal error: Cannot redeclare wpdbd_enqueue_color_picker()
wpdbd_flush_rewrites 0 conflicts Fatal error: Cannot redeclare wpdbd_flush_rewrites()
wpdbd_is_classic_archive 0 conflicts Fatal error: Cannot redeclare wpdbd_is_classic_archive()
wpdbd_is_single_archive 0 conflicts Fatal error: Cannot redeclare wpdbd_is_single_archive()
wpdbd_register_post_type 0 conflicts Fatal error: Cannot redeclare wpdbd_register_post_type()
wpdiscussionboard\ctdb_ms_plugin_update_message 0 conflicts Fatal error: Cannot redeclare wpdiscussionboard\ctdb_ms_plugin_update_message()
wpdiscussionboard\ctdb_plugin_update_message 0 conflicts Fatal error: Cannot redeclare wpdiscussionboard\ctdb_plugin_update_message()
wpdiscussionboard\ctdb_public_init 0 conflicts Fatal error: Cannot redeclare wpdiscussionboard\ctdb_public_init()

Using Discussion Board 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 Discussion Board from the command line with WP-CLI

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

wp plugin install wp-discussion-board


How to activate Discussion Board from the command line with WP-CLI

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

wp plugin install wp-discussion-board --activate


How to reinstall Discussion Board from the command line with WP-CLI

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

wp plugin install wp-discussion-board --force


How to update Discussion Board to the latest version from the command line with WP-CLI

wp plugin update wp-discussion-board


How to delete Discussion Board from the command line with WP-CLI

wp plugin delete wp-discussion-board

Where can you download earlier versions of Discussion Board?

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 Discussion Board 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 Discussion Board

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 Discussion Board. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.