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XF 1.3 Class error on update from 1.3.0 to 1.3.1

#1
I get this error when I try to update:

Fatal error: Class name must be a valid object or a string in /home/content/**/*******/html/xen1dev/library/XenForo/Install/Controller/Upgrade.php on line 46
 

Jake Bunce

XenForo moderator
Staff member
#3
Hmm. I'm gonna say an addon is in play here. Try disabling addons before running the upgrade. Or you can disable addons at the code level by adding this line to your library/config.php file:

Code:
$config['enableListeners'] = 0;