( ! ) Fatal error: Uncaught TypeError: Invalid return value: callable object expected, "null" returned from "/home/homes/marienoellerichmond/sites/Symfony-recipes/my_project_directory/vendor/autoload_runtime.php". in /home/homes/marienoellerichmond/sites/Symfony-recipes/my_project_directory/vendor/autoload_runtime.php on line 12
( ! ) TypeError: Invalid return value: callable object expected, "null" returned from "/home/homes/marienoellerichmond/sites/Symfony-recipes/my_project_directory/vendor/autoload_runtime.php". in /home/homes/marienoellerichmond/sites/Symfony-recipes/my_project_directory/vendor/autoload_runtime.php on line 12
Call Stack
#	Time	Memory	Function	Location
1	0.0047	359608	{main}( )	.../autoload_runtime.php:0