I used to have a field called orno.f on the form but I removed it. When the user runs the session they get this error message:

"Error during getting defaults in orno.f = "0"

Then, the BW message:

"1: process 68 - Error: Unknown symbol 'orno.f' in assignment expression"

Any ideas why I am getting this error?

The user defaults are stored in a table by user/session. The old value is still present in that table. Run the session "Remove user defaults" for all users for that session.

I think that session removes *all* stored defaults of a user?
Thats why I allways go into GMT / ttadv990 / company 0 and remove the records for a specific session.

Nope, you can specify a session or range of session for which you want the default to be removed.

I believe the users can also just do a save defaults again, I believe this writes over what was there before. I have a couple of users trained to do this first - before calling me. :)

Mark