OCI-42698
Cannot string JSON Relational Duality View 'string': Concurrent modification detected to string 'string' of document with ID 'string'.
Cause
The operation failed because a concurrent modification to the specified field or table was detected.
Action
Retry the operation. For UPDATE, fetch the latest document with a valid entity tag (ETAG) value and retry the UPDATE. If there is no requirement for detecting concurrent modifications to the specified field or table, redefine the duality view with the field or table annotated as NOCHECK.