Error starting at line : 144 in command - ALTER TABLE customer_relationship ADD CONSTRAINT customer_relationship_party_relationship_fk FOREIGN KEY ( from_date ) REFERENCES party_relationship ( from_date, party_role_party_role_id, party_role_party_party_id, party_role_party_role_id2, party_role_party_party_id2 ) NOT DEFERRABLE Error report - ORA-02256: number of referencing columns must match referenced columns 02256. 00000 - "number of referencing columns must match referenced columns" *Cause: The number of columns in the foreign-key referencing list is not equal to the number of columns in the referenced list. *Action: Make sure that the referencing columns match the referenced columns.