I am getting this error when attempting to use the MailDoc Add On:
Error: Bring2mind\DMX is currently unavailable.
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 Bring2mind.DNN.Modules.DMX.MailDoc.MailDoc.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace ---