Title: Error 500 on wp 4.2.1
Last modified: August 24, 2016

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# Error 500 on wp 4.2.1

 *  Resolved [Comclusive](https://wordpress.org/support/users/comclusive/)
 * (@comclusive)
 * [11 years ago](https://wordpress.org/support/topic/error-500-on-wp-421/)
 * My site only has this plugin, and it errors now when the plugin is active.
 * PHP fatal error. Undefined class ‘ZIPLISTJS’ in easy recipe/lib/EasyRecipe.php
   on line 1247
 * [https://wordpress.org/plugins/easyrecipe/](https://wordpress.org/plugins/easyrecipe/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [Comclusive](https://wordpress.org/support/users/comclusive/)
 * (@comclusive)
 * [11 years ago](https://wordpress.org/support/topic/error-500-on-wp-421/#post-6067417)
 * This is an error with PHP 5.5. As I have not had any form of acknowledgement 
   or reply, I have rolled back to 5.4, but this will need addressing as 5.4 goes
   end of life soon.
 *  Plugin Author [Jayce53](https://wordpress.org/support/users/jayce53/)
 * (@jayce53)
 * [11 years ago](https://wordpress.org/support/topic/error-500-on-wp-421/#post-6067418)
 * This has been fixed in the latest update.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Error 500 on wp 4.2.1’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/easyrecipe_5d5a59.svg)
 * [EasyRecipe](https://wordpress.org/plugins/easyrecipe/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/easyrecipe/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/easyrecipe/)
 * [Active Topics](https://wordpress.org/support/plugin/easyrecipe/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/easyrecipe/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/easyrecipe/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [Jayce53](https://wordpress.org/support/users/jayce53/)
 * Last activity: [11 years ago](https://wordpress.org/support/topic/error-500-on-wp-421/#post-6067418)
 * Status: resolved