cats2019-10-20_t01.akg568.flac:14a155f5463cdee5f02f6415e4ad6c87 cats2019-10-20_t02.akg568.flac:d7aca2b061a59e0aa4aa4f1f8e7dfb35 cats2019-10-20_t03.akg568.flac:7002407894fe878993d8a95037a1c16e cats2019-10-20_t04.akg568.flac:2485594c8dbe7e79ffd0abe9c19ca337 cats2019-10-20_t05.akg568.flac:203e8245bcddb5b6dfe9cd10127412c7 cats2019-10-20_t06.akg568.flac:b4c0538ca4937d344b4df156b5f9cafb cats2019-10-20_t07.akg568.flac:ce7594a722dd4c856cda3df173ad1406 cats2019-10-20_t08.akg568.flac:d980696881577901e5c14b83b93457e3 cats2019-10-20_t09.akg568.flac:676e7c3e32127d34d1327e5a3cd8ec5a App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned