Problem in after create trigger

hi all,
i tried to track the creation of all objects in scott user. so from one dba user
i wrote a After Create trigger for scott schema(schema level trigger) like this,
create trigger create_log after create on scott.schema
begin
insert into create_log_t values(login_user,sysdate,dictionary_obj_type,dictionary_obj_name);
end;
trigger has been successfully created.After that i tried to create some objects in scott schema,but i could not. it gives me this error,
SQL> create table dd(d number);
create table dd(d number)
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-00984: column not allowed here
ORA-06512: at line 2
can anyone help me to come out from this problem.
thanks in advance!
kathir

What is LOGIN_USER? Did you mean USER?
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04088. 00000 - "error during execution of trigger '%s.%s'"
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It's in dutch, so I'll have a go at translating:
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04088. 00000 - "error during execution of trigger '%s.%s'"
*Cause:    A runtime error occurred during execution of a trigger.
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It is the equivalent to tap dancing across a mine field.
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