Today I was receiving the following error when using the Blog Module version: 3.5.1 on DotNetNuke version: 05.01.01 (98).

"An error has occurred.
DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.NavigationControl.SolpartMenuNavigationProvider.Bind(DNNNodeCollection objNodes) at DotNetNuke.UI.WebControls.SolPartActions.BindMenu(DNNNodeCollection objNodes) at DotNetNuke.UI.WebControls.SolPartActions.BindMenu() at DotNetNuke.UI.WebControls.SolPartActions.Page_PreRender(Object sender, EventArgs e) --- End of inner exception stack trace ---"

The following Gemini post explains how to resolve this issue. http://support.dotnetnuke.com/issue/ViewIssue.aspx?ID=9145&PROJID=29

I resolved this issue with the following code change in the DNN skin container.

    <div id="ContentPane" runat="server">
     <%--
    This line causing InnerException: Object reference not set to an instance of an object.
    <dnn:ACTIONS runat="server" ID="dnnACTIONS" />
    --%>     
     <dnn:ACTIONS runat="server" ID="dnnACTIONS" ProviderName="DNNMenuNavigationProvider" />
    </div>