Debugging in procedure !!!

Question

i getting error with following procedure, Any idea why ??
CREATE OR REPLACE PROCEDURE p_display_message (p_message VARCHAR2, p_Log_type Char Default 'I')
IS
PRAGMA AUTONOMOUS_TRANSACTION;
V_Va_Message varchar2(4000);
BEGIN
if trim(P_log_type) = 'E' then
V_Va_Message := p_message || ': The following error occured at'|| DBMS_UTILITY.format_error_backtrace || ' - ' || DBMS_UTILITY.format_error_stack
--|| ': ' || Sqlcode || ' : ' || sqlerrm
else
V_Va_Message := p_message;
end if;
*13* INSERT INTO t_log (seq_num, log_date, MESSAGE, Log_type)
*14* VALUES (s_log.NEXTVAL, SYSDATE, V_Va_Message, p_log_type );
DBMS_OUTPUT.put_line( TO_CHAR (SYSDATE, 'yyyymmdd:hh24miss') || V_Va_Message || '....' );
commit;
END p_display_message;
error
Compilation errors for PROCEDURE SCOTT.P_DISPLAY_MESSAGE
Error: PL/SQL: ORA-02289: sequence does not exist
Line: 14
Text: VALUES (s_log.NEXTVAL, SYSDATE, V_Va_Message, p_log_type );
Error: PL/SQL: SQL Statement ignored
Line: 13
Text: INSERT INTO t_log (seq_num, log_date, MESSAGE, Log_type)
Following are the datatypes used for variables in t_log table
seq_num number,
log_date date,
MESSAGE varchar2,
Log_type vachar2
Thank you so much. I really appreciate it !!

Answer 1

I f you are using a sequence to generate some no... for a particular table then first you have to create the sequence and after creating you can use it by seuence_name.nextval.
create sequence seq_num increment by 1;
A R P I T S I N H A