hi,
This is a known issue in early Mendix 11 versions related to the new Studio Pro UI framework (Electron upgrade). Clipboard behavior (copy/paste inside Studio Pro) was affected in some builds.
It is not a project issue — it is a Studio Pro client issue.
Upgrade to the latest Mendix 11 patch version.
Several clipboard-related issues were fixed in later 11.x releases.
Try the following (these resolved it in many cases):
%LocalAppData%\Mendix\StudioProAlso ensure:
it seems to be an issue with Mendix Version that is being used. Try to upgrade to next version. if still not solved, raise an incident with Mendix.