b380a44b0e2b9d95584b9b69a09fc4ba *moe2003.10.09_d2t01.shn 8adc5802447e0ec2a75f056a630fef8b *moe2003.10.09_d2t02.shn 2f1bd5f337ca28d091b2fe586b879d1b *moe2003.10.09_d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned