ORA-26754: cannot specify both one-to-one transformation function string and one-to-many transformation function string

ORA-26754: cannot specify both one-to-one transformation function string and one-to-many transformation function string

Cause: Both a one-to-one transformation function and a one-to-many transformation function were specified for a rule.

Action: Remove either the one-to-one transformation function, or the one-to-many transformation function.