I just tried to remove Showcase and got the following error
Code:
Server Error
Mysqli statement execute error : Deadlock found when trying to get lock; try restarting transaction
Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 297
Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479
Zend_Db_Adapter_Abstract->query() in Zend/Db/Adapter/Abstract.php at line 661
Zend_Db_Adapter_Abstract->delete() in XenForo/Model/AdminTemplate.php at line 343
XenForo_Model_AdminTemplate->deleteAdminTemplatesForAddOn() in XenForo/Model/AddOn.php at line 441
XenForo_Model_AddOn->deleteAddOnMasterData() in XenForo/DataWriter/AddOn.php at line 204
XenForo_DataWriter_AddOn->_postDelete() in XenForo/DataWriter.php at line 1779
XenForo_DataWriter->delete() in XenForo/ControllerAdmin/AddOn.php at line 122
XenForo_ControllerAdmin_AddOn->actionDelete() in XenForo/FrontController.php at line 347
XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
XenForo_FrontController->run() in /var/www/vhosts/triumphtalk.com/httpdocs/admin.php at line 13