Initialize error

i got this strange error on era whats most strange is that it do not appears on simulator or garmin 1030, 1000 real device it only shows on garmin 530 at first i taught it was because i got 15 lines of createField and i trimmed to 12 but now it shows on other createFields lines any advice thanks a lot

Error Name: System Error
Occurrences: 3
First Occurrence: 2020-11-13
Last Occurrence: 2020-11-13
Devices:
Edge® 530: 6.20
App Versions: 1.2.2
Languages: eng
Backtrace:
PowerEdgeWindView.initialize:160
PowerEdgeWindApp.getInitialView:19

on line 19 is this

    //! Return the initial view of your application here
    function getInitialView() {
        return [ new PowerEdgeProView() ];
    }

vi = createField(Ui.loadResource(Rez.Strings.cVIData), 8, FitContributor.DATA_TYPE_UINT16, { :mesgType=>FitContributor.MESG_TYPE_SESSION, :units=>Ui.loadResource(Rez.Strings.cNUUnits) });