amt2013-05-10t01.flac:5ca0d53da7c3214a16ae32849c19ba18 amt2013-05-10t02.flac:3c36ae3e3840a06590fc6bb80196ef00 amt2013-05-10t03.flac:82da70176266d209a98aad629b92a76c amt2013-05-10t04.flac:d5527f305b7a0d0510d5fdae2dbe91c7 amt2013-05-10t05.flac:f968f31782caa3dc7e19b2bf5bcc361f App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned