ORA-64444
Change within restriction of complex type 'complex_type' is unsupported or not permitted.
- complex_type: The XMLSchema complex type.
Cause
An attempt was made to make XMLSchema changes that were not permitted through in-place XMLSchema evolution.
Action
Ensure that the XMLSchema changes specified in the XMLDiff argument to DBMS_XMLSCHEMA.INPLACEEVOLVE are permitted.