Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 't0.send_order_number' in 'field list' in /usr/www/users/yourhs/web/www.yourhealthfit.de/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:117 Stack trace: #0 /usr/www/users/yourhs/web/www.yourhealthfit.de/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(117): PDOStatement->execute(NULL) #1 /usr/www/users/yourhs/web/www.yourhealthfit.de/custom/plugins/PitPerformanceOptimizer/Database/QueryOptimizer.php(74): Doctrine\DBAL\Driver\PDOStatement->execute() #2 /usr/www/users/yourhs/web/www.yourhealthfit.de/custom/plugins/PitPerformanceOptimizer/Database/Connection.php(38): PitPerformanceOptimizer\Database\QueryOptimizer->execute(Object(PitPerformanceOptimizer\Database\Connection), 'SELECT t0.id AS...', Array, Array) #3 /usr/www/users/yourhs/web/www.yourhealthfit.de/engine/Library/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php(776): PitPerformanceOptimizer\Database\Connection->executeQuery('SELECT t0.id in /usr/www/users/yourhs/web/www.yourhealthfit.de/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 79