constraint trigger

Hi

I'm running into the following error when i create a CONSTRAINT
TRIGGER.

NOTICE: ignoring incomplete trigger group for constraint "<unnamed>"
FOREIGN KEY cd_card(tender) REFERENCES cd_tender(id)
DETAIL: Found referenced table's DELETE trigger.

for the following statement

CREATE CONSTRAINT TRIGGER "<unnamed>" AFTER DELETE ON "cd_tender" NOT
DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
"RI_FKey_noaction_del" ('<unnamed>', 'cd_card', 'cd_tender',
'UNSPECIFIED', 'tender', 'id');

could you please tell how to solve this. Also can you tell what the
function arguments mean. I know so much that these parameters anre table
and column

names. but not sure what "<unnamed>" and 'UNSPECIFIED' stand for. Also i
notice that if i remove "<unnamed>" and 'UNSPECIFIED' the trigger gets
created but not sure of behavior. it is a combination of
RI_FKey_noaction_del and "<unnamed>" and 'UNSPECIFIED' is causing the
problem.

thanks

satya

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