Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /var/www/html/sockets/RegistrySocket.php:273 Stack trace: #0 /var/www/html/sockets/RegistrySocket.php(273): PDOStatement->execute(Array) #1 /var/www/html/core/AuthSocket.php(27): RegistrySocket->registerItemWithFeatures('socket', 'AuthSocket', '\xEC\x9D\xB8\xEC\xA6\x9D \xEC\x86\x8C\xEC\xBC\x93', 'core/AuthSocket...', 'members', Array) #2 /var/www/html/core/AuthSocket.php(7): AuthSocket->autoRegister() #3 /var/www/html/sockets/HeaderFactorySocket.php(19): AuthSocket->__construct(Object(Kernel)) #4 /var/www/html/product_detail_sendbee.php(12): HeaderFactorySocket->__construct(Object(Kernel)) #5 {main} thrown in /var/www/html/sockets/RegistrySocket.php on line 273