duo2004-09-04T01.flac:43cfa8b32f655e63d90fd6ba35bd1da9 duo2004-09-04T02.flac:05038618f7308be1fae26a971e3cc2e1 duo2004-09-04T03.flac:94b4beed1edb4ce9323e65889519e975 duo2004-09-04T04.flac:ede0721ce5af9ed03e93988eb3defc43 duo2004-09-04T05.flac:5b3e67b6768511523c7de7c83fcce5aa duo2004-09-04T06.flac:cda75885a9ab1b7453526fd734298ff5 duo2004-09-04T07.flac:c8e3b08e29dff2e11c139593a02d873d duo2004-09-04T08.flac:22024c5fb27e4df89a13376c24c39e59 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned