578b2b325e72ec89a66092754cee283d *sci991230d1t01.wav.shn c83b0e3e567b34718422ed556f2f2b35 *sci991230d1t02.wav.shn 63dc0285ca94b7ae7808fd664abf7702 *sci991230d1t03.wav.shn 03fa40a4eb4b1bae2778edbfff0f3163 *sci991230d1t04.wav.shn 3a05bbc3225b69543a6fd68558c793c4 *sci991230d1t05.wav.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned