Title: Error on admin categories page
Last modified: November 30, 2018

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# Error on admin categories page

 *  Resolved [yerb](https://wordpress.org/support/users/yerb/)
 * (@yerb)
 * [7 years, 6 months ago](https://wordpress.org/support/topic/error-on-admin-categories-page/)
 * In WP version 4.9.8 I get this error after enabling the plugin:
 * `Warning: array_key_exists() expects parameter 2 to be array, boolean given in
   wp-content\plugins\fpw-category-thumbnails\classes\fpw-category-thumbnails-class.
   php on line 100`
 * It shows on the thumbnail column in category list.

Viewing 1 replies (of 1 total)

 *  Plugin Author [Frank P. Walentynowicz](https://wordpress.org/support/users/frankpw/)
 * (@frankpw)
 * [7 years, 4 months ago](https://wordpress.org/support/topic/error-on-admin-categories-page/#post-11216059)
 * Fixed in version 1.7.7

Viewing 1 replies (of 1 total)

The topic ‘Error on admin categories page’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/fpw-category-thumbnails_ededed.svg)
 * [FPW Category Thumbnails](https://wordpress.org/plugins/fpw-category-thumbnails/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/fpw-category-thumbnails/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/fpw-category-thumbnails/)
 * [Active Topics](https://wordpress.org/support/plugin/fpw-category-thumbnails/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/fpw-category-thumbnails/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/fpw-category-thumbnails/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Frank P. Walentynowicz](https://wordpress.org/support/users/frankpw/)
 * Last activity: [7 years, 4 months ago](https://wordpress.org/support/topic/error-on-admin-categories-page/#post-11216059)
 * Status: resolved