6e4c340c378e65eb4ba1ee461051fe6a *db2003-04-04d2t01.shn 0e6db671228339f98846917155fa9e32 *db2003-04-04d2t02.shn 10c4d664f1c403113694af70492e8101 *db2003-04-04d2t03.shn fb5f865c9351c2e5a04b368780f387f2 *db2003-04-04d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned