Fixed: "‘g_InstanceID’ is undefined" error when using recurring Meeting Workspace based on custom Meeting Workspace template in SharePoint 2010

After creating a recurring Meeting Workspace site based on a custom Meeting Workspace template previously created, the recurring Meeting Workspace hyperlinks under "Select a date from the list below" do not work and throw a JavaScript error: 'g_InstanceID' is undefined. Furthermore, you may notice that not all future recurring dates are visible in the date picker menu, as indicated in the following screenshot:

Resolution: Deploy the latest cumulative update for SharePoint 2010, which can be downloaded from here:

http://technet.microsoft.com/en-us/sharepoint/ff800847

If you are using SharePoint Server 2010, be sure to deploy both updates - SharePoint Foundation 2010 and SharePoint Server 2010. Also, if you have a multi-tier farm topology consisting of multiple application and/or web front end servers, be sure to follow a recommended update sequence detailed here:

http://technet.microsoft.com/en-us/library/ff806338.aspx

Should be corrected now: