Problem :-

In eB web when you search for Tag in eB web and edit it will give an error.

Connection > GetSystemGroupID > An Attribute specifying the Virtual Item Group Name, called 'System Group' is required on the Primary item for the selected template."

Solution :- 

In eB web set the below Nuclear setting in the Web Show System Show System Reports>System Preferences>AttrUnitSystemsGroup

Attribute ID for Unit Systems. This Attribute is assigned to the primary item.