In another words, it is possible to create nodes/mfrags having names that exist in the underlying PR-OWL ontology. Because 2 frames/slots with the same name are not allowed in an usual OWL ontology, it causes persistence ( PR-OWL's I/O) to crush.
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Fixed on the new GUI.
Not fixed in new GUI. It still needs to be checked.
In another words, it is possible to create nodes/mfrags having names that exist in the underlying PR-OWL ontology. Because 2 frames/slots with the same name are not allowed in an usual OWL ontology, it causes persistence ( PR-OWL's I/O) to crush.