XF 1.3 Lots of : ErrorException: unserialize

[Chris Shortreed]

ErrorException: unserialize(): Error at offset 0 of 1 bytes - library/XenForo/Model/UserChangeLog.php:45
Generated By: admin, 17 minutes ago
Stack Trace
#0 [internal function]: XenForo_Application::handlePhpError(8, 'unserialize(): ...', '/opt/www/riu/xf...', 45, Array)
#1 /opt/www/riu/xf/library/XenForo/Model/UserChangeLog.php(45): unserialize('0')
#2 /opt/www/riu/xf/library/XenForo/Model/User.php(2794): XenForo_Model_UserChangeLog->logChanges(223801, Array, NULL)
#3 /opt/www/riu/xf/library/XenForo/DataWriter/User.php(1048): XenForo_Model_User->logChanges(223801, Array)
#4 /opt/www/riu/xf/library/XenForo/DataWriter.php(1409): XenForo_DataWriter_User->_postSave()
#5 /opt/www/riu/xf/library/XenForo/ControllerAdmin/User.php(512): XenForo_DataWriter->save()
#6 /opt/www/riu/xf/library/XenForo/FrontController.php(347): XenForo_ControllerAdmin_User->actionSave()
#7 /opt/www/riu/xf/library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#8 /opt/www/riu/xf/admin.php(13): XenForo_FrontController->run()
#9 {main}

 

[TPerry]

Have you recently updated to 1.3.1? Have you verified files?

 

[Chris Shortreed]

Have you recently updated to 1.3.1? Have you verified files?

Ths was a fresh install,
All 1,125 checked files are present and correct.

 

[Mike]

I don't see how this could actually happen without an add-on or something interfering. Do you have any add-ons? What is your custom user field setup?