White Screen of Death on Admin

  • After logging in to the admin side I see the WSOD (White Screen of Death). The public side is working fine, only the admin side has the WSOD.

    I checked the server log and here is the error I found:

    PHP Fatal error: Uncaught Error: Call to undefined method WP_Screen::is_block_editor() in /home/mywebsite/public_html/wp-includes/script-loader.php:2622

    Looking at backup log files I see that this probably occurred during an automatic update. The admin side worked fine in version 5.1.3, but since the update to version 5.1.4 I get the WSOD.

    I use UpdraftPlus to do automatic backups. If I didn’t have the WSOD issue I could restore an earlier backup to solve this problem. Any suggestions for how to restore a backup without the admin interface?

    Also, how do I deal with this problem long-term? Obviously I want to continue to have automatic updates for security reasons. Any help and suggestions would be appreciated.

    I should note that the theme is Genesis – don’t know the version but it is older. It is running a child-theme called Latitude. I hope this helps.

    • This topic was modified 4 years, 10 months ago by banacan99.
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  • Moderator t-p

    (@t-p)

    What did you do before this issue happened? For example, did you update WordPress, or plugins, or theme…?

    Do you have FTP access? If you do, try adding ‘x’ to each plugin at troubleshooting to see if it comes back when you disable each one. Maybe it’s a plugin issue. Try that first then get back to us with an update.

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