When trying to use the data builder, checking the ADVANCED > general > viewport 'check to wrap view in viewport' crashes architect upon clicking generate.

Architect 4.2.6 Modern 7.0
Json webservice

Once 'generate' is clicked, Architect Uncaught exception is raised and App becomes unusable (have to force-quit):

Screen Shot 2019-12-10 at 10.52.48 AM.jpg