Applies To
	Product(s):	STAAD Advanced Concrete Design
	Version(s):	Connect Edition
	Environment:
	Area:	Concrete Design
	Subarea:	General
	Original Author:	Aaradhya Rahate, Bentley Technical Support Group

Unhandled Error while running column design.

Check in your ETAB Model if any duplicate data is available. This is causing issues in performing the design of the column.

If any duplicate data is available in your ETAB File, we would suggest you create a mdb file which does not have duplicate data.

Once it is rectified, later you won’t be able to face issue while running column design.