gd68-09-20d1t01.flac:d403c6165c23533ec89ad0a4ac20cd3c gd68-09-20d1t02.flac:d0b76d8db63742df5e31a512798ee4a0 gd68-09-20d1t03.flac:4b322158d3533e43123e4ca31cad1838 gd68-09-20d1t04.flac:457725a3f9e86b1a33786a03937e1719 gd68-09-20d1t05.flac:06d22fc23ef9f814cbddd45fe5c32841 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned