Forms :: Trigger Program To Track User Information

I have a trigger program to track updated information's on perks column. I am failing to finish systime in my trigger program.

SQL> desc user_track;
Name Null? Type
----------------------------------------- -------- ----------------------------
EID NUMBER
ENAME VARCHAR2(15)
OLD_PERKS NUMBER
NEW_PERKS NUMBER
UNAME VARCHAR2(15)
ACTION_DATE DATE
ACTION_TIME DATE

SQL> create or replace trigger tri_track
2 After UPDATE ON EMP
3 FOR EACH ROW
4 BEGIN
5 insert into user_track(EID,ENAME,OLD_PERKS,NEW_PERKS ,UNAME,ACTION_DATE,ACTION_TME) values
6 (:old.eid, :old.ename , :old.perks, :new.perks,user, sysdate, to_char(sysdate , 'HH24:MI:SS')
7 from dual;
8 end;
9 /

Warning: Trigger created with compilation errors.

SQL> show errors;
Errors for TRIGGER TRI_TRACK:

LINE/COL ERROR
-------- -----------------------------------------------------------------
2/1 PL/SQL: SQL Statement ignored
3/95 PL/SQL: ORA-00917: missing comma