ORA-42699
Cannot string JSON Relational Duality View 'string': The ETAG of document with ID 'string' in the database did not match the ETAG passed in.
Cause
The update failed because a previously cached entity tag (ETAG) value did not match the current ETAG value in the database.
Action
The cached document is no longer valid. Fetch the latest document with a valid ETAG value and retry the update operation.