<?php declare(strict_types=1); namespace Doctrine\ORM; use Doctrine\ORM\Exception\ORMException; /** * Is thrown when a transaction is required for the current operation, but there is none open. * * @link www.doctrine-project.com */ class TransactionRequiredException extends ORMException { /** @return TransactionRequiredException */ public static function transactionRequired() { return new self('An open transaction is required for this operation.'); } }