!!Urgent Help !!


I am using an application with Delphi Front end and Oracle 8i back end.
I am gettig an error when i click on some particular form, and this error is random. I am able to work on this form , but sometimes i am getting this error. i am using BDE5.1 and i updated the patch also.

error is :

INVALID FIELD NAME
ORA-00904:INVALID COLUMN NAME


THIS ERROR IS COMMING IN A BOX WITH AND 'OK' BUTTON

I need urgent help reagrding this