18b926018a3f510d6dc74f36e88d1c4a *dmb2000-06-29d3t01.wav.shn 8fec4191827e98605352ffd5cda56696 *dmb2000-06-29d3t02.wav.shn 8eb5875d74b2e91b34fe0171375ea6eb *dmb2000-06-29d3t03.wav.shn 0836b318923a2165cc674d3d92367a82 *dmb2000-06-29d3t04.wav.shn 932877e8486c7d04658203738183b6e4 *dmb2000-06-29d3t05.wav.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned