Support » Fixing WordPress » Fatal error wp_suspend_cache_addition

  • Hello everyone.

    I have been having this weird issue for about two weeks now on my site

    Problems don’t appear to affect the front end of the site, so that’s definitely a plus, but it affects what we do in the admin panel.

    Sometimes, when trying to create/edit/save/preview a new post, it just won’t do anything. It just takes forever to load and don’t go anywhere, sometimes returning an error. This is for example an error it returned today

    Looking at the error logs, I see this problem:

    PHP Fatal error: Call to undefined function wp_suspend_cache_addition() in /xxxxxxxxxx/ on line 288

    PHP Fatal error: Call to undefined function wp_suspend_cache_addition() in /xxxxxxxxxx/ on line 288

    The error timestamp is exactly the time the error happened, so it’s definitely linked together.

    The problem just happens randomly. It will work a minute, and not the next one. Error appeared on Safari, Chrome, and Firefox.

    I work with a WordPress consultant that is recommended by Code Poet and she can’t find a solution either. We’ve tried different cache plugins. We even tried to go without a cache plugin at all for a few days and the issue still appeared from time to time, even though it seemed to appear less often. We also reinstalled WP 3.3 on top on the previous install. Same problems appear.

    The site is pretty popular, and while I can’t verify this for sure, it seems that the problem appears during high traffic times, usually in the middle of the day.

    My site runs on RackSpace Cloud Sites. Computing power and all that stuff is not an issue as it is given as needed.

    I can’t pinpoint it for sure, but it appears this issue started appearing when I updated WP SuperCache to its latest version, sometimes around December 9.

    Any help would be greatly appreciated.

    Thank you

Viewing 8 replies - 1 through 8 (of 8 total)
  • Moderator Samuel Wood (Otto)

    (@otto42) Admin

    wp_suspend_cache_addition is part of the core code in the wp-includes/functions.php file, but it is new to 3.3.

    Perhaps you have an incomplete upgrade? Make sure all the files got upgraded properly.

    Also, if you’re on a cloud, then your site is on multiple servers. Perhaps some of them aren’t running the same files somehow? Would explain the intermittent issue. Might ask Rackspace to check that.

    I’m having a similar issue. Where is Rackspace located?

    Thanks Otto. The weird thing is that we did a new install of 3.3. I think this could have taken care of all those problems, no?

    Is it possible to completely remove this wp_suspend_cache_addition from the functions.php?

    Also, why does my error show the suspend_cache_addition in wp-includes/cache.php if the code is supposed to be in functions.php?

    Thank you

    Moderator Samuel Wood (Otto)

    (@otto42) Admin

    Dooncha commented on that post and said that it wasn’t a SuperCache problem. I guess it’s a WP problem now?

    Do you know if this could be fixed in the next WP update?

    Thank you

    Hey sebastienpage, Did you ever find a solution to this problem? I am having a similar error appear and cannot access my admin page. The rror that appears is:

    Fatal error: Call to undefined function wp_suspend_cache_addition()

    Any help on this would be so greatly appreciated. Thank you.

    Might be a shot in the dark, but simply visiting /wp-admin/upgrade.php worked for fix it for me.

Viewing 8 replies - 1 through 8 (of 8 total)
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