Quote Originally Posted by 4iappsDBA View Post
alter trigger APPS.LOGON_TRIG disable;

Once u disable it wont notify it in Alertlog file, at the same time if u down the server and restart ,, again the same error will raise..

till now i dint found any permanent solution for this ...
Are you aware that disabling the trigger causes trigger not to fire anymore?

I wouldn't say that's a solution.