17bd79df2cf0cc8da53aaac5b18bd289 *db99-10-08d1t3.shn.shn 3c07ebe565bf6b2640be402efdb4019d *db99-10-08d1t2.shn.shn ac8e6e5d91a5c82cb5dff6dc6fa805f4 *db99-10-08d1t1.shn.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned