5da4ad282498217332652f7b31986a12 *stsn2002-03-16d3t01.shn 766d2bd524dc82254c9b4553e2b1c3ad *stsn2002-03-16d3t02.shn 888f68b773f63889e8f705c97d37ecee *stsn2002-03-16d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned