9e28784b3ce7c016d946d9f43361378c wu00-04-29d2t01.shn ee41cdc292b7435cccd66d30be6fd27e wu00-04-29d2t02.shn 41f31257d6202d99a39334cecae254c8 wu00-04-29d2t03.shn 4c0ab317413f78dac927bedbb1fcce00 wu00-04-29d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned