Fatal error: Uncaught Doctrine\ORM\ORMException: The identifier id is missing for a query of Entities\Content in /homepages/19/d524532098/htdocs/swimgym/vendor/doctrine/orm/lib/Doctrine/ORM/ORMException.php:294 Stack trace: #0 /homepages/19/d524532098/htdocs/swimgym/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(403): Doctrine\ORM\ORMException::missingIdentifierField('Entities\\Conten...', 'id') #1 /homepages/19/d524532098/htdocs/swimgym/vendor/doctrine/orm/lib/Doctrine/ORM/EntityRepository.php(154): Doctrine\ORM\EntityManager->find('Entities\\Conten...', Array, NULL, NULL) #2 /homepages/19/d524532098/htdocs/swimgym/content/blogs/controllers/show.php(9): Doctrine\ORM\EntityRepository->find(NULL) #3 /homepages/19/d524532098/htdocs/swimgym/index.php(141): require_once('/homepages/19/d...') #4 {main} thrown in /homepages/19/d524532098/htdocs/swimgym/vendor/doctrine/orm/lib/Doctrine/ORM/ORMException.php on line 294