When I get errors like this or similar, I usually start with Field Help or Data Dictionary to see if there are and special restrictions on the field. That assumes I’m already logged in as GSM and it’s not a permissions issue
Then, I go back to the business reasons for the change and evaluate what I’m trying to achieve. Sometimes Epicor has restrictions for a reason and I have to find a different way.
What’s the reason you want to update this field?
Also by the way… if you format your code for the forum it helps us old guys read it…