Title: Editing theme does not work
Last modified: August 30, 2016

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# Editing theme does not work

 *  [spirikal](https://wordpress.org/support/users/spirikal/)
 * (@spirikal)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/editing-theme-does-not-work/)
 * Every time I try to adjust the header or modifiy the theme, I get this bizarre
   message:
 * ” Fatal error: Call to undefined function get_current_screen() in /data/23/4/
   14/54/4014869/user/4458200/htdocs/WordPress/wp-content/plugins/the-events-calendar/
   src/Tribe/Query.php on line 302″ – What does it mean and how can I fix it?
 * Many thanks

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

 *  Thread Starter [spirikal](https://wordpress.org/support/users/spirikal/)
 * (@spirikal)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/editing-theme-does-not-work/#post-6564433)
 * In fact, I can’t even change the theme. The same message keeps appearing!!
 *  ” Fatal error: Call to undefined function get_current_screen() in /data/23/4/
   14/54/4014869/user/4458200/htdocs/WordPress/wp-content/plugins/the-events-calendar/
   src/Tribe/Query.php on line 302 ”
 *  [Davor](https://wordpress.org/support/users/davoraltman/)
 * (@davoraltman)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/editing-theme-does-not-work/#post-6564436)
 * Could you try logging into FTP of the site and renaming the plugin folder The
   Events Calendar inside wp-content/plugins? That should deactivate the plugin 
   and do the trick since it seems this plugin is the culprit.
 *  Thread Starter [spirikal](https://wordpress.org/support/users/spirikal/)
 * (@spirikal)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/editing-theme-does-not-work/#post-6564523)
 * Davor,
    What is the FTP? Thanks a lot.
 *  [Davor](https://wordpress.org/support/users/davoraltman/)
 * (@davoraltman)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/editing-theme-does-not-work/#post-6564583)
 * FTP is File Transfer Protocol – the way you can view all the files and folders
   of your site. You can use File Manager at your site’s cPanel in order to view
   the files or you can connect to the FTP of the site via an FTP client. The best
   one I can suggest is Filezilla:
 * [https://filezilla-project.org/download.php?type=client](https://filezilla-project.org/download.php?type=client)

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

The topic ‘Editing theme does not work’ is closed to new replies.

## Tags

 * [fatal error message](https://wordpress.org/support/topic-tag/fatal-error-message/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 4 replies
 * 2 participants
 * Last reply from: [Davor](https://wordpress.org/support/users/davoraltman/)
 * Last activity: [10 years, 8 months ago](https://wordpress.org/support/topic/editing-theme-does-not-work/#post-6564583)
 * Status: not resolved

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