Oracle® Database 11g / 12c / 18c error codes ORA-53930: XSLT error [string].

ORA-53930: XSLT error [string].

Oracle Error Code: ORA-53930

Cause: An error occurred while attempting to process XML metadata.

Action: Ensure that Oracle XDB and all related schemas are properly installed. And, verify that the mapping and anonymity documents are valid.