fae0cff1a5de2d23c0dbd5ca8032aded *db00-3-11d4t01.shn 1feaf8815da896330d364a783f33d610 *db00-3-11d4t02.shn 21fb3726201d01eb0e348d50b8c1b015 *db00-3-11d4t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned