How to solve problem with primary key if i cant insert into table in sql PLUS?
I mean i need to add more columns

```
CREATE TABLE SETS (
  2  ID NUMBER (4) CONSTRAINT SETS_PK PRIMARY KEY,
  3  COM NUMBER (7,2),
  4  ENAME VARCHAR2(15),
  5  SAL NUMBER(8,2)
  6* );

INSERT INTO SETS VALUES (1, 1, 'COMFORT', 0);

```

1 row inserted.

```
INSERT INTO SETS VALUES (1, 2, ''Progressive', 5000);

Error starting at line : 1 in command -
insert into sets values(1, 2, 'Progressive', 5000)
Error report -
ORA-00001: нарушено ограничение уникальности (AIDAR.SETS_PK)

```