Server error in '/' Application. Cannot have multiple items selected in a DropDownList - When editing a Layout

When editing a layout, you might encounter the error, "Server Error in '/' Application. cannot have multiple items selected in a DropDownList".
We are currently evaluating this issue for a fix in a future service pack. 

Steps to Duplicate

1) Log into BBIS
2) Go to Site Explorer > Layouts > Edit/view properties of any layout
3) Notice you get the standard server .NET error

Environment

 Blackbaud Internet Solutions
 4.0
 4.0.172.0

Was this article helpful?