Title: ReferenceError: tinymce is not defined
Last modified: September 5, 2016

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# ReferenceError: tinymce is not defined

 *  [Nat](https://wordpress.org/support/users/etisse/)
 * (@etisse)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/referenceerror-tinymce-is-not-defined/)
 * Hi,
    Sorry for my english.
 * I become mad. I cannot use the visual editor in my website. In the anothers websites
   i checked (same wordpress version, same server) it’s ok… no problem. But why???
 * I try today:
    – disable all plugin. – use twenty sixteen theme. – delete browser’s
   cache. – use another browser – upload by ftp the version 4.6 again – disable 
   all firefox modules
 * Actually I cannot yet use the visual editor.
 * I can of course create again the website from scratch but if it’s possible i 
   would prefer to try other solutions. Any Iddea?
 * Thanx by advance for your replies,
    Nat

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Moderator [t-p](https://wordpress.org/support/users/t-p/)
 * (@t-p)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/referenceerror-tinymce-is-not-defined/#post-8139962)
 * – First off, go to Users->Your Profile.
    – Make sure that the box marked “Disable
   the visual editor when writing” at the top of the screen is not checked. – If
   it is checked, then uncheck it and scroll down to the bottom of the page and 
   click the “Update Profile” button to save your settings. – If that setting is
   correct, your browser can help you identify JavaScript issues or conflicts. Do
   you have any Javascript errors in the console when looking at the editor page?–
   [This article can assist you in doing that diagnosis](http://codex.wordpress.org/Using_Your_Browser_to_Diagnose_JavaScript_Errors).–
   If you use any caching systems, like Cloudflare, clear those caches. – Check 
   that the [file permissions](https://codex.wordpress.org/Changing_File_Permissions)
   of all the PHP files are set correct (i.e., 644). – Specifically check files 
   like /wp-includes/js/tinymce/wp-tinymce.php and such. – If the permissions are
   incorrect, then some servers running security code like suhosin won’t allow those
   files to run.
 *  Thread Starter [Nat](https://wordpress.org/support/users/etisse/)
 * (@etisse)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/referenceerror-tinymce-is-not-defined/#post-8140123)
 * Hi Tara,
    Thanx, I check all points: – on my profile visual editor is on. – No
   PHP errors with debug on. – The files permissions are OK (644). – No cache system
   on. – I try with FIREFOX 47.0.1 with no addon actives (on XP pro) and try also
   with google chrome – the same problem
 * – The firefox JS console displays 2 errors:
 *     ```
       L’API Fullscreen préfixée est obsolète. Veuillez utiliser la version non préfixée de l’API pour le plein écran. Pour plus d’informations, consultez https://developer.mozilla.org/docs/Web/API/Fullscreen_API
       load-scripts.php:429:6828
       ```
   
 *     ```
       ReferenceError: tinymce is not defined
       post-new.php:2018:1
       ```
   
 * Seems to be that but i dont know how to explain it. Is that because of the update
   of firefox?
    -  This reply was modified 9 years, 9 months ago by [Nat](https://wordpress.org/support/users/etisse/).
 *  Moderator [t-p](https://wordpress.org/support/users/t-p/)
 * (@t-p)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/referenceerror-tinymce-is-not-defined/#post-8140149)
 * As you mentioned in your OP, looks like you have already tried many basic troubleshooting
   steps.
 * In couple of days, 4.6.1 will be released. Then try updating to that and see 
   if that resolve the issue.
 *  Thread Starter [Nat](https://wordpress.org/support/users/etisse/)
 * (@etisse)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/referenceerror-tinymce-is-not-defined/#post-8140167)
 * OK, I’ll come back then to tell you,
    Good evening

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘ReferenceError: tinymce is not defined’ is closed to new replies.

## Tags

 * [tinymce](https://wordpress.org/support/topic-tag/tinymce/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 4 replies
 * 2 participants
 * Last reply from: [Nat](https://wordpress.org/support/users/etisse/)
 * Last activity: [9 years, 9 months ago](https://wordpress.org/support/topic/referenceerror-tinymce-is-not-defined/#post-8140167)
 * Status: not resolved

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