Neilley commented Jun 17, 2020 @chro8062 Of course, I think you happen to be exactly proper. If I delete those .gbx9 and .ncx information made from the R2019b run of your script, then run with R2020a it's going to normally fail straight away rather then 15+ minutes later. The catalogRefs https://miltong058zwi8.wikicommunications.com/user