9700b74940d332f8392802955ac4afa5 bt1994-08-16d1t01.shn e0229a39a5eeabbad97ff18ff06fc446 bt1994-08-16d1t02.shn 7fea32d757755ff8d38ea8498a70205d bt1994-08-16d1t03.shn 43b71713de9fc54c7b78811e6e71554c bt1994-08-16d1t04.shn d43eb0ca343a10203d1bf7dc239a0b3e bt1994-08-16d1t05.shn 7d5ea5cc98ee1de2a9bc1db7ff37a167 bt1994-08-16d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned