As an additional info: - structures and variables are the definitions for items (like a class definition in an OOP language) - items are the instances of the variables and structures (like an object in an OOP language) If you do not update the items when prompted to do so of course errors like this will occur. If you however do update the items correctly this should not occur. Otherwise pelase explain the detailed steps you took according to my previous steps with a fresh HMI where you are able to reproduce the issue so we can look into this.
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