Title: Plugin causing problems
Last modified: June 12, 2022

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# Plugin causing problems

 *  Resolved [jdqu8c5](https://wordpress.org/support/users/jdqu8c5/)
 * (@jdqu8c5)
 * [3 years, 12 months ago](https://wordpress.org/support/topic/plugin-causing-problems-3/)
 * Hi guys,
 * I think the Convert Kit plugin is causing problems on my new site. It’s weird
   because I’ve never had any problems with about a dozen other sites that I’ve 
   set up that also use the plugin.
 * Anyway, in the backend of WP, in appearance – widgets, the “update” button was
   hanging/unresponsive and upon investigation by the host and CDN provider, was
   found to be disabled. I’m also seeing weird things with caching, with some pages
   showing recent changes, while other pages don’t, even after clearing cache and/
   or trying a clean browser. Very weird.
 * According to the host (Cloudways), this is the error message being generated:
 * [Sat Jun 11 06:27:22.305708 2022] [proxy_fcgi:error] [pid 4246:tid 140176802928384][
   client 49.192.213.204:0] AH01071: Got error ‘PHP message: PHP Warning: Invalid
   argument supplied for foreach() in /home/785646.cloudwaysapps.com/fmqsbyujcg/
   public_html/wp-content/plugins/convertkit/includes/widgets/class-ck-widget-form.
   php on line 74’, referer: [https://yumfryer.com/wp-admin/profile.php?wp_http_referer=%2Fwp-admin%2Fusers.php](https://yumfryer.com/wp-admin/profile.php?wp_http_referer=%2Fwp-admin%2Fusers.php)
 * After deactivating and removing the plugin, I’m still seeing some caching problems,
   although the “update” button within appearance – widgets seems to be working 
   some of the time now.
 * Also from the host:
 * “There isn’t something to remove on that line but an issue in the argument fetching
   by the plugin which you may contact its author for better insights.”
 * Please let me know what we can do to resolve this with or without reinstating
   the Convert Kit plugin.
 * Thanks in advance 😁
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fplugin-causing-problems-3%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [Kit](https://wordpress.org/support/users/convertkit/)
 * (@convertkit)
 * [3 years, 11 months ago](https://wordpress.org/support/topic/plugin-causing-problems-3/#post-15732497)
 * > “There isn’t something to remove on that line but an issue in the argument 
   > fetching by the plugin which you may contact its author for better insights.”
 * A code change may be applied to resolve this, although the existence of valid
   API credentials at Settings > ConvertKit, and at least one form on the ConvertKit
   account, would resolve.
 * This would not, however, contribute to the numerous issues you’re reporting regarding
   general WordPress Page and Widget errors/caching, noting you state issues persist
   with your WordPress site when the ConvertKit plugin is deactivated and removed.
 * I’d advise that you work with your CDN, host, theme and active plugin providers
   to resolve the root cause of your caching inconsistencies and issues at Appearance
   > Widgets, in light of the ConvertKit plugin not running on the site in question
   right now.
 * Thanks.

Viewing 1 replies (of 1 total)

The topic ‘Plugin causing problems’ is closed to new replies.

 * ![](https://ps.w.org/convertkit/assets/icon-256x256.jpg?rev=3160977)
 * [Kit (formerly ConvertKit) - Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages](https://wordpress.org/plugins/convertkit/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/convertkit/#faq)
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 * [Active Topics](https://wordpress.org/support/plugin/convertkit/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/convertkit/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/convertkit/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Kit](https://wordpress.org/support/users/convertkit/)
 * Last activity: [3 years, 11 months ago](https://wordpress.org/support/topic/plugin-causing-problems-3/#post-15732497)
 * Status: resolved