In this blog post, you’ll learn more about the Sybase Error Cannot modify column ‘%1’ in table ‘%2’ and the reason for receiving this error
Sybase SQL Error Message
Cannot modify column ‘%1’ in table ‘%2’
Reason for this Error
You may have tried to modify a column that you do not have permission to modify. You may have tried to modify a column defined as an expression (such as column1+column2) in a view.