src/CoreBundle/Controller/Admin/SessionAdminController.php:174:37: NamedArgumentNotAllowed: Method array_merge called with named unpacked array array<array-key, list<array{course: array{id: int|null, title: string}, session: array{endDate: null|string, id: int|null, startDate: null|string, title: string}, user: array{id: int|null, name: string}}>> (array with string keys) (see https://psalm.dev/268)