I'm trying to configure the blog module on my DNN 4.6.0 site, but when I try to post a new entry. I get the following error:

ModuleId: 2644
ModuleDefId: 160
FriendlyName: Edit Entry
ModuleControlSource: DesktopModules/Blog/EditEntry.ascx
AssemblyVersion: 04.06.00
PortalID: 0
PortalName: Plunkett Research, Ltd.
UserID: 5
UserName: plunkett
ActiveTabID: 368
ActiveTabName: Blog
RawURL: /Blog/tabid/368/ctl/Edit_Entry/mid/2644/language/en-US/Default.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: ____
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: f3c64e5d-5133-497b-a703-1c04feb0ce27
InnerException: The server tag is not well formed.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.UI.TemplateParser.ProcessError
StackTrace:
Message: DotNetNuke.Services.Exceptions.ModuleLoadException: The server tag is not well formed. ---> System.Web.HttpParseException: The server tag is not well formed. ---> System.Web.HttpException: The server tag is not well formed. at System.Web.UI.TemplateParser.ProcessError(String message) at System.Web.UI.TemplateParser.DetectSpecialServerTagError(String text, Int32 textPos) at System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding) at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding) --- End of inner exception stack trace --- at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding) at System.Web.UI.TemplateParser.ParseFile(String physicalPath, VirtualPath virtualPath) at System.Web.UI.TemplateParser.ParseInternal() at System.Web.UI.TemplateParser.Parse() at System.Web.Compilation.BaseTemplateBuildProvider.get_CodeCompilerType() at System.Web.Compilation.BuildProvider.GetCompilerTypeFromBuildProvider(BuildProvider buildProvider) at System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders() at System.Web.Compilation.BuildProvidersCompiler.PerformBuild() at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath) at System.Web.UI.TemplateControl.LoadControl(String virtualPath) at DotNetNuke.UI.Skins.Skin.InjectModule(Control objPane, ModuleInfo objModule, PortalSettings PortalSettings) --- End of inner exception stack trace --- 
 

Any advice?