When we load OpenPlant_PID schema or supplement the schema, class editor asks to locate a missing reference file and shows below file open dialog:
Basically when any project/workspace schema is loaded in class editor it references in various schemas but when the location of reference schema is not found then it shows the above dialog.
You need to add the location of these schemas in class editor once and it will automatically reference in the schemas from the next time and won't ask for the location. Follow the steps below to resolve the issue:
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