Title: Problem with plugin
Last modified: August 7, 2018

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# Problem with plugin

 *  [vstrelianyi](https://wordpress.org/support/users/vstrelianyi/)
 * (@vstrelianyi)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/problem-with-plugin-49/)
 * When activating the plugin I’m receiving the following error:
 * Fatal error: Class ‘jtmce\core\Singleton’ not found in \wp-content\plugins\just-
   tinymce-styles\just-tiny-mce-styles.php on line 20

Viewing 1 replies (of 1 total)

 *  Plugin Author [Alex Prokopenko / JustCoded](https://wordpress.org/support/users/aprokopenko/)
 * (@aprokopenko)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/problem-with-plugin-49/#post-10568112)
 * Hi,
 * Could you please specify which PHP version you have on a server and what WordPress
   version you’re using.

Viewing 1 replies (of 1 total)

The topic ‘Problem with plugin’ is closed to new replies.

 * ![](https://ps.w.org/just-tinymce-styles/assets/icon-128x128.png?rev=1470610)
 * [Just TinyMCE Custom Styles](https://wordpress.org/plugins/just-tinymce-styles/)
 * [Support Threads](https://wordpress.org/support/plugin/just-tinymce-styles/)
 * [Active Topics](https://wordpress.org/support/plugin/just-tinymce-styles/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/just-tinymce-styles/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/just-tinymce-styles/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Alex Prokopenko / JustCoded](https://wordpress.org/support/users/aprokopenko/)
 * Last activity: [7 years, 8 months ago](https://wordpress.org/support/topic/problem-with-plugin-49/#post-10568112)