PLS-00109: unknown exception name tips

Question: (By David Gray)   I'm trying to catch an ORA-01284 error in a stored procedure. Looking around it seems as if I have to define my own exception using the PRAGMA EXCEPTION_INIT key words and then tray the error in a when block.

The problem is I'm getting the following error when compiling:

Error(24,31): PLS-00109: unknown exception name 'FILE_NOT_AVAILABLE' in PRAGMA EXCEPTION_INIT

The procedure is show below with the new code show in bold.

create or replace
PROCEDURE "MATERIALISE_DATA" (
p_filename varchar2,
p_recordcount OUT number,
p_errorcode OUT number
)
as
begin

declare
cursor c_v_logmnr_contents is
select
logmnr.logmnr_sequence.nextval as IDX,
V.*
from
v$logmnr_contents V
where
seg_owner = 'SONICA' and
operation in ('INSERT','UPDATE','DELETE');

output_rec c_v_logmnr_contents%ROWTYPE;
v_idx number;

PRAGMA EXCEPTION_INIT(file_not_available, -1284);

begin

p_recordcount := 0;
p_errorcode := 0;

begin
execute immediate 'truncate table logmnr.logmnr_contents';
execute immediate 'commit';
end;


dbms_logmnr.add_logfile(LogFileName => p_filename, Options => dbms_logmnr.NEW);


dbms_logmnr.start_logmnr(DictFileName => 'G:\dtb1\TURLIVE\utl_dir_file\TURLIVE_DICTIONARY.ORA',
Options => dbms_logmnr.committed_data_only);


open c_v_logmnr_contents;

v_idx := 0;
loop

fetch c_v_logmnr_contents into output_rec;
exit when c_v_logmnr_contents%NOTFOUND;
insert into logmnr.logmnr_contents values output_rec;
v_idx := v_idx + 1;
end loop;
commit;

close c_v_logmnr_contents;

dbms_logmnr.end_logmnr;

dbms_output.put_line('. ');
dbms_output.put_line('Records fetched in cursor loop = ' || TO_CHAR(v_idx));
dbms_output.put_line('. ');

p_recordcount := v_idx;

rollback;

exception

when file_not_available
then null;

when others then
p_errorcode := sqlcode;

end;
end;
 
Answer: By Steve Callan:  You need to declare declare file_not_available as a PL/SQL exception:

output_rec c_v_logmnr_contents%ROWTYPE;
v_idx number;

file_not_available exception; --***********************
PRAGMA EXCEPTION_INIT(file_not_available, -1284);

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