That looks like a conflict with the "User Essentials" add-on from @Xon
Code:
Error Info
Fatal Error: Access level to SV_UserEss_XenForo_DataWriter_User::_postSaveAfterTransaction() must be public (as in class PixelExit_Roster_XenForo_DataWriter_User) - library/SV/UserEss/XenForo/DataWriter/User.php:233
Stack Trace
#0 [internal function]: XenForo_Application::handleFatalError()
#1 {main}
Request State
Array
(
[url] => http://localhost/forum/members/xxxxx-xxxxxxxxxxx.55/
[_GET] => Array
(
)
[_POST] => Array
(
)
)
