wpsnoop: fix IssueM plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what IssueM 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 IssueM

Get professional support for IssueM here

When you need professional help with WordPress: get help here


What does IssueM version 2.8.6 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for IssueM to perform differently in your installation, previous versions before 2.8.6 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 2.8.6 of IssueM 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 IssueM 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 IssueM add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/issuem/ 408.01kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/ 19.66kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/flexslider.css 6.84kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/fonts/ 7.40kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/fonts/flexslider-icon.eot 2.03kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/fonts/flexslider-icon.svg 2.28kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/fonts/flexslider-icon.ttf 1.85kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/fonts/flexslider-icon.woff 1.24kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/issuem-admin.css 2.08kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/css/issuem.css 3.34kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/feed-templates/ 9.01kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/feed-templates/feed-atom.php 2.66kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/feed-templates/feed-rdf.php 2.34kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/feed-templates/feed-rss.php 1.29kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/feed-templates/feed-rss2.php 2.73kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/ 74.89kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/issuem-es_MX.mo 11.24kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/issuem-es_MX.po 20.55kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/issuem-sv_SE.mo 10.99kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/issuem-sv_SE.po 20.36kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/issuem.mo 490.00B No known conflicts with other themes or plugins.
wp-content/plugins/issuem/i18n/issuem.pot 11.27kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/ 56.83kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/archive-image-unavailable.jpg 15.93kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/calendar-icon.jpg 11.02kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/issuem-16x16.png 1.50kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/issuem-64x64.png 6.46kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/zeen-logo-gr.png 5.95kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/zeen-logo-wh.png 5.54kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/images/zeen-logo.png 10.43kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/includes/ 6.85kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/includes/license-key.php 6.85kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-cats-taxonomy.php 8.04kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-class.php 48.25kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-feeds.php 2.19kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-functions.php 21.12kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-post-type.php 7.32kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-shortcodes.php 21.08kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-tags-taxonomy.php 1.61kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-taxonomy.php 12.14kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem-widgets.php 18.93kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/issuem.php 2.07kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/ 80.75kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/issuem_issue-custom-tax-hacks.js 331.00B No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/issuem_issue-edit-article-hacks.js 170.00B No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/issuem-admin.js 1.66kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/issuem-issue-admin.js 4.58kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/issuem-migrate.js 235.00B No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/jquery.flexslider-min.js 21.76kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/jquery.flexslider.js 51.34kB No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/migrate.js 228.00B No known conflicts with other themes or plugins.
wp-content/plugins/issuem/js/script.js 485.00B No known conflicts with other themes or plugins.
wp-content/plugins/issuem/readme.txt 17.29kB No known conflicts with other themes or plugins.

Which new shortcodes does IssueM add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[issuem_archives] The issuem_archives shortcode doesn't have any known conflicts with other themes or plugins.
[issuem_articles] The issuem_articles shortcode doesn't have any known conflicts with other themes or plugins.
[issuem_featured_rotator] The issuem_featured_rotator shortcode doesn't have any known conflicts with other themes or plugins.
[issuem_featured_thumbnails] The issuem_featured_thumbnails shortcode doesn't have any known conflicts with other themes or plugins.
[issuem_issue_title] The issuem_issue_title 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 IssueM?

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

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

During use IssueM 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 IssueM declare when it is active?

Function   Conflicts Common Errors
create_article_post_type 1 conflict Fatal error: Cannot redeclare create_article_post_type()
create_issue_taxonomy 1 conflict Fatal error: Cannot redeclare create_issue_taxonomy()
default_issue_content_filter 1 conflict Fatal error: Cannot redeclare default_issue_content_filter()
wp_print_r 6 conflicts Fatal error: Cannot redeclare wp_print_r()
add_issuem_articles_metaboxes 0 conflicts Fatal error: Cannot redeclare add_issuem_articles_metaboxes()
create_issuem_cats_taxonomy 0 conflicts Fatal error: Cannot redeclare create_issuem_cats_taxonomy()
create_issuem_tags_taxonomy 0 conflicts Fatal error: Cannot redeclare create_issuem_tags_taxonomy()
do_issuem_archives 0 conflicts Fatal error: Cannot redeclare do_issuem_archives()
do_issuem_articles 0 conflicts Fatal error: Cannot redeclare do_issuem_articles()
do_issuem_featured_rotator 0 conflicts Fatal error: Cannot redeclare do_issuem_featured_rotator()
do_issuem_featured_thumbs 0 conflicts Fatal error: Cannot redeclare do_issuem_featured_thumbs()
do_issuem_feed_atom 0 conflicts Fatal error: Cannot redeclare do_issuem_feed_atom()
do_issuem_feed_rdf 0 conflicts Fatal error: Cannot redeclare do_issuem_feed_rdf()
do_issuem_feed_rss 0 conflicts Fatal error: Cannot redeclare do_issuem_feed_rss()
do_issuem_feed_rss2 0 conflicts Fatal error: Cannot redeclare do_issuem_feed_rss2()
do_issuem_title 0 conflicts Fatal error: Cannot redeclare do_issuem_title()
get_active_issuem_issue 0 conflicts Fatal error: Cannot redeclare get_active_issuem_issue()
get_issuem_article_excerpt 0 conflicts Fatal error: Cannot redeclare get_issuem_article_excerpt()
get_issuem_author_name 0 conflicts Fatal error: Cannot redeclare get_issuem_author_name()
get_issuem_draft_issues 0 conflicts Fatal error: Cannot redeclare get_issuem_draft_issues()
get_issuem_hidden_statuses 0 conflicts Fatal error: Cannot redeclare get_issuem_hidden_statuses()
get_issuem_issue_cover 0 conflicts Fatal error: Cannot redeclare get_issuem_issue_cover()
get_issuem_issue_meta 0 conflicts Fatal error: Cannot redeclare get_issuem_issue_meta()
get_issuem_issue_slug 0 conflicts Fatal error: Cannot redeclare get_issuem_issue_slug()
get_issuem_issue_statuses 0 conflicts Fatal error: Cannot redeclare get_issuem_issue_statuses()
get_issuem_issue_title 0 conflicts Fatal error: Cannot redeclare get_issuem_issue_title()
get_issuem_settings 0 conflicts Fatal error: Cannot redeclare get_issuem_settings()
get_newest_issuem_issue_id 0 conflicts Fatal error: Cannot redeclare get_newest_issuem_issue_id()
issuem_api_request 0 conflicts Fatal error: Cannot redeclare issuem_api_request()
issuem_article_add_post_thumbnails 0 conflicts Fatal error: Cannot redeclare issuem_article_add_post_thumbnails()
issuem_article_admin_columns 0 conflicts Fatal error: Cannot redeclare issuem_article_admin_columns()
issuem_article_admin_custom_columns 0 conflicts Fatal error: Cannot redeclare issuem_article_admin_custom_columns()
issuem_article_categories_add_form_fields 0 conflicts Fatal error: Cannot redeclare issuem_article_categories_add_form_fields()
issuem_article_categories_columns 0 conflicts Fatal error: Cannot redeclare issuem_article_categories_columns()
issuem_article_categories_edit_form_fields 0 conflicts Fatal error: Cannot redeclare issuem_article_categories_edit_form_fields()
issuem_article_categories_sortable_columns 0 conflicts Fatal error: Cannot redeclare issuem_article_categories_sortable_columns()
issuem_article_meta_box 0 conflicts Fatal error: Cannot redeclare issuem_article_meta_box()
issuem_convert_issue_order_to_term_meta 0 conflicts Fatal error: Cannot redeclare issuem_convert_issue_order_to_term_meta()
issuem_dropdown_categories 0 conflicts Fatal error: Cannot redeclare issuem_dropdown_categories()
issuem_is_articles_page 0 conflicts Fatal error: Cannot redeclare issuem_is_articles_page()
issuem_issue_categories_sortable_column_orderby 0 conflicts Fatal error: Cannot redeclare issuem_issue_categories_sortable_column_orderby()
issuem_issue_columns 0 conflicts Fatal error: Cannot redeclare issuem_issue_columns()
issuem_issue_filter_terms_clauses 0 conflicts Fatal error: Cannot redeclare issuem_issue_filter_terms_clauses()
issuem_issue_sortable_columns 0 conflicts Fatal error: Cannot redeclare issuem_issue_sortable_columns()
issuem_issue_taxonomy_add_form_fields 0 conflicts Fatal error: Cannot redeclare issuem_issue_taxonomy_add_form_fields()
issuem_issue_taxonomy_edit_form_fields 0 conflicts Fatal error: Cannot redeclare issuem_issue_taxonomy_edit_form_fields()
issuem_issue_term_edit_form_tag 0 conflicts Fatal error: Cannot redeclare issuem_issue_term_edit_form_tag()
issuem_plugins_loaded 0 conflicts Fatal error: Cannot redeclare issuem_plugins_loaded()
issuem_replacements_args 0 conflicts Fatal error: Cannot redeclare issuem_replacements_args()
manage_issuem_article_categories_custom_column 0 conflicts Fatal error: Cannot redeclare manage_issuem_article_categories_custom_column()
manage_issuem_issue_custom_column 0 conflicts Fatal error: Cannot redeclare manage_issuem_issue_custom_column()
register_issuem_widgets 0 conflicts Fatal error: Cannot redeclare register_issuem_widgets()
save_issuem_article_categories_meta 0 conflicts Fatal error: Cannot redeclare save_issuem_article_categories_meta()
save_issuem_article_meta 0 conflicts Fatal error: Cannot redeclare save_issuem_article_meta()
save_issuem_issue_meta 0 conflicts Fatal error: Cannot redeclare save_issuem_issue_meta()
set_issuem_cookie 0 conflicts Fatal error: Cannot redeclare set_issuem_cookie()
update_issuem_settings 0 conflicts Fatal error: Cannot redeclare update_issuem_settings()
walk_issuem_category_dropdown_tree 0 conflicts Fatal error: Cannot redeclare walk_issuem_category_dropdown_tree()
zeen101_dot_com_rss_feed_check 0 conflicts Fatal error: Cannot redeclare zeen101_dot_com_rss_feed_check()

Using IssueM 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 IssueM from the command line with WP-CLI

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

wp plugin install issuem


How to activate IssueM from the command line with WP-CLI

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

wp plugin install issuem --activate


How to reinstall IssueM from the command line with WP-CLI

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

wp plugin install issuem --force


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

wp plugin update issuem


How to delete IssueM from the command line with WP-CLI

wp plugin delete issuem

Where can you download earlier versions of IssueM?

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 IssueM 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 IssueM

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