bc1e9e48a0217f5e8ca610eba85a0eb3 *sci00-10-11d1tTrack01.shn 2cc49338b52321f84299ebe962e35093 *sci00-10-11d1tTrack02.shn eb57243e068feaa5fd84ec439d0fca88 *sci00-10-11d1tTrack03.shn bc29c23b16a4f8666bf29635d96a7219 *sci00-10-11d1tTrack04.shn 177e3e3046581643fce72ac03b11f994 *sci00-10-11d1tTrack05.shn 67970a7fd0af1ada7d6e07af02bca0ad *sci00-10-11d1tTrack06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned