ORA-61780
cannot find a multi-value index with given name "index_name" and schema name "schema_name"
        - index_name: The name of the multi-value index.
- schema_name: The schema name of the multi-value index.
Cause
A multi-value index with the given name and schema name is not found.
Action
Ensure that the correct name and schema name are provided when invoking the procedure or function.