0f214cfbe73e9102a23243d96c241101 *bt00-07-05-D3T02.wav.shn 7c4e95b2757050ac8ba786dbce8bb00e *bt00-07-05-D3T01.wav.shn d556f42014a97549cc7870fef689d70d *bt00-07-05-D3T03.wav.shn 606c8f19734681000eb13d86234c2dfc *bt00-07-05-D3T04.wav.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned