mule2008-12-12t01.flac:0edd6533e4d7c234a26e7bd96bdb6534 mule2008-12-12t02.flac:01b09fcff4ce792bd89fcf8ee3a71323 mule2008-12-12t03.flac:bfe97cf3093554aed360f3e1df3c545d mule2008-12-12t04.flac:b971067cd3249a6348124cec45b05011 mule2008-12-12t05.flac:21c7897f894b7b9d83501518fda4269d mule2008-12-12t06.flac:dd69bdd5487c267b4f87796b8579a7da mule2008-12-12t07.flac:6832879957bfcc047f86641f65cd46f4 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned