( ! ) Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Type error: Argument 1 passed to Karaoke\Entity\Collection::mergeByPk() must implement interface Karaoke\Entity\CollectionInterface, null given, called in /home/vromanov/src/karaoke-site/src/Controller/Main.php on line 65 in /home/vromanov/src/karaoke-lib/lib/Karaoke/Entity/Collection.php on line 112
( ! ) Symfony\Component\Debug\Exception\FatalThrowableError: Type error: Argument 1 passed to Karaoke\Entity\Collection::mergeByPk() must implement interface Karaoke\Entity\CollectionInterface, null given, called in /home/vromanov/src/karaoke-site/src/Controller/Main.php on line 65 in /home/vromanov/src/karaoke-lib/lib/Karaoke/Entity/Collection.php on line 112
Call Stack
#TimeMemoryFunctionLocation
10.07901749472Symfony\Component\Debug\ErrorHandler->handleException( ).../ErrorHandler.php:0
20.08041761192Symfony\Component\Debug\ErrorHandler->handleException( ).../ErrorHandler.php:573