8a5d8f52897fd0292e5040ccfbe28457 *ele00-08-18d2t4.shn 2652541c5f893360cce5523d1ed8afaf *ele00-08-18d2t2.shn 21fc3cd3eeb9e7de8a72b3cf8f105d78 *ele00-08-18d2t3.shn d50b58399ec264857f68e9304925ea45 *ele00-08-18d2t1.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned