ORA-40943
Cannot string JSON Relational Duality View 'string': Field 'string' corresponding to column 'string' in table 'string' is missing from JSON input.
Cause
The specified field was missing or NULL in the JSON input, which is required because fields with CHECK annotation or fields corresponding to the primary or unique key columns must be specified in the input JSON.
Action
Specify a valid value for the field in the JSON input and retry the operation.