sci2016-07-16.akg481.t01.flac:a9e251b95d35399cad73cf6fe9c8c511 sci2016-07-16.akg481.t02.flac:65e5e2d6594341306c4e016377cbde02 sci2016-07-16.akg481.t03.flac:d20507e18988a3145a3a925d75583594 sci2016-07-16.akg481.t04.flac:95b653046761b87cdb29d8353cf43fca sci2016-07-16.akg481.t05.flac:15a20b38250f1254553effa1b90ff72d sci2016-07-16.akg481.t06.flac:d167173577cd14999a25c3961c431054 sci2016-07-16.akg481.t07.flac:bfbd79313125ca3af1e962d692a4ff14 sci2016-07-16.akg481.t08.flac:b62c1d5c6262b2a93d517c99c3ef81f2 sci2016-07-16.akg481.t09.flac:959fd781a70929b78225f0323d3927af sci2016-07-16.akg481.t10.flac:41a4d32f553e345bb97fe01c571cac1e sci2016-07-16.akg481.t11.flac:0066f77019cc2bab26dabd421626f459 sci2016-07-16.akg481.t12.flac:eb28b9911b7ffee05cc34513795b86b6 sci2016-07-16.akg481.t13.flac:13f12d6014230a82acdf1342fda4739a sci2016-07-16.akg481.t14.flac:8a38da8842de57ddc9430863bdc5e44d sci2016-07-16.akg481.t15.flac:dda1371bbbb2d404a09a75788c8b47be sci2016-07-16.akg481.t16.flac:21819ba2dc6e33fbd3bcb23bbd8209ed sci2016-07-16.akg481.t17.flac:f2711e59dd093a73ecb721b85c370868 sci2016-07-16.akg481.t18.flac:dd5fe2ac9c52b3d08c7ea48907386dd4 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned