higgs2020-03-05T01.flac:508eb8f4f89e302458123a26a02379a8 higgs2020-03-05T02.flac:7800524ce0dc2e33a9869b29dd8f9e4b higgs2020-03-05T03.flac:5e31b65b35b61e2f2e6891fdc920405c higgs2020-03-05T04.flac:1f4081510c458adc25aca8d25bda09a1 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned