At first, I assumed that my CSS must be hiding a control that was required for the navigation links to work. Then I found a post by Mike Monjeau entitled MOSS – How to fix recurring Meeting Workspace error: ‘g_InstanceID’ is undefined that describes the fix for this.
Basically, when you use a master page other than default.master for a Meeting Workspace site, you can get this error. If you add the following lines into your new master page, you can solve the problem:
- Add the following line of code under the <%@ Import Namespace=”Microsoft.SharePoint” %> tag:
<%@ Register Tagprefix="Meetings" Namespace="Microsoft.SharePoint.Meetings" Assembly="Microsoft.SharePoint, Version=18.104.22.168, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
- Add the following line of code after the opening <body> tag: