Error 500 Internal Server Error

GET https://serwis.ehvac.pl/admin?crudAction=batchDelete&crudControllerFqcn=App%5CController%5CAdmin%5CCityCrudController&page=42

IP
10.0.1.2
Profiled on
Token
68cec8
Forwarded to ErrorController (36e74e)

EasyAdmin (4.20.5)

Key Value
CRUD Action 
"batchDelete"
CRUD Controller FQCN 
"App\Controller\Admin\CityCrudController"
Entity ID 
null
Sort 
null

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