93beb736c566ac4d19e18832f7c00f1d *cr2002-05-26d2t01.shn 1cd5609c4726dff7fa17448f7f79237d *cr2002-05-26d2t02.shn 65b0b99bdeb3ca375059ce2ac63ce95a *cr2002-05-26d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned