ab221e31aeb662bda2b19cff83ae2a58 *mule2002-12-30d2t01.shn 4ae2d206f5a83fe4226d5fb539a277da *mule2002-12-30d2t02.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned