In this post, you’ll learn more about the Oracle ErrorORA-30948: Illegal in-place XML schema evolution operation: string with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-30948: Illegal in-place XML schema evolution operation: string
Reason for the Error ORA-30948: Illegal in-place XML schema evolution operation: string
An attempt was made to make an XML schema change that is not permitted through in-place XML schema evolution.
How to fix the Error ORA-30948: Illegal in-place XML schema evolution operation: string ?
You can fix this error in Oracle by following the below steps
Ensure that the XML schema changes specified in the XMLDiff argument to DBMS_XMLSCHEMA.inPlaceEvolve are permitted.