caspian2016-01-14t00.flac:afd48edac04beb8cb2d51fbc09d03685 caspian2016-01-14t01.flac:7b1e0f130b37e091b819b53832ef590e caspian2016-01-14t02.flac:139d1a44fa1ca947f04f9f6cf5660ae4 caspian2016-01-14t03.flac:865c587b011ec2a863c3bd47b9ab14c6 caspian2016-01-14t04.flac:29abad43f0b65801f9551e7789387b8a caspian2016-01-14t05.flac:1ea3481610ca1ad51899a55b2c09a141 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned