OCI-64425
Addition of non-optional declaration to the complex type 'type' is not permitted.
- declaration: The XML schema declaration, such as attributegroup.
- type: The declared XML schema complex type.
Cause
An attempt was made to make an XML schema change that was not permitted through in-place XML schema evolution.
Action
Ensure that the XML schema changes specified in the XMLDiff argument to DBMS_XMLSCHEMA.inPlaceEvolve are permitted.