8305f660e21b9fc30a93afedc4ef6f5b *mofro2003-12-31d2t01.shn eeb842f7cc6c59a486532d586b999edc *mofro2003-12-31d2t02.shn 6d92ceae5f14b5d00f99b116fdd5018f *mofro2003-12-31d2t03.shn cd752ccd199c722e16b54efa41a81eeb *mofro2003-12-31d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned