19baf629a3ff0256a214f843d408d3f5 *sts02-03-16d3t01.shn 5f3cacc5cb55d69cd848d3d2e4c5615a *sts02-03-16d3t02.shn 6a848da524d75ad5058a23dc266a8083 *sts02-03-16d3t03.shn 888f68b773f63889e8f705c97d37ecee *sts02-03-16d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned