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Can you confirm this is a design-time issue only as we did a fix internally for the design-time issue but at run-time everything should be fine. For an urgent fix for a design-time only issue, please contact us by email for an incremental source update.
If this issue is also at run-time, we cannot see or reproduce such problem here, so in this case, please provide more details how we can reproduce the problem.

Sorry for the delay, I was busy with a  software release.

It is design-time only, at run-time everything is OK.