I just upgraded to the latest DNN 7.x version and now when going to either Admin Settings or Host Settings I am getting the following error.

"A critical error has occurred. Object reference not set to an instance of an object."

The event viewer shows this error:
AssemblyVersion: 7.1.0
PortalID: 0
PortalName: AFAA Parent
UserID: xxxxxx
UserName: xxxxxx
ActiveTabID: 45
ActiveTabName: Site Settings
RawURL: /Admin/SiteSettings.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://mysite.com/
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID: 31d3d96c-f497-4351-b18b-75aef6784f40
InnerException: Object reference not set to an instance of an object.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: DotNetNuke.UI.Containers.ActionButtonList.get_ModuleActions
StackTrace:
Message: DotNetNuke.Services.Exceptions.PageLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.UI.Containers.ActionButtonList.get_ModuleActions() at DotNetNuke.UI.Containers.ActionButtonList.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---
Source:
Server Name: xxxxx

Any ideas?