ORA-30948: Illegal in-place XML schema evolution operation: [string]
Cause: An attempt was made to make an XML schema change that is 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. ///// End of XML Schema Evolution errors (30942 to 30950 reserved)
Error Type: ORA