348ca8d2a099255477c71583b0f91c8c *db99-08-11d402.shn 9b92c382bec96256a56913c4a1159dfb *db99-08-11d403.shn e8ed204fbdebfc7604c0d95f49197f6d *db99-08-11d401.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned