This exception has started occurring after updating to 3.6.3 on DNN 3.2.2 .
This is pretty urgent, it's killing our forums.

DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
InnerException: Argument 'Length' must be greater or equal to zero.
Message: DotNetNuke.Services.Exceptions.ModuleLoadException: Argument 'Length' must be greater or equal to zero. ---> System.ArgumentException: Argument 'Length' must be greater or equal to zero. at Microsoft.VisualBasic.Strings.Left(String str, Int32 Length) at NetTech.NTForums.Utilities.ManageImagePath(String strHTML) at NetTech.NTForums.TopicBuilder.ParseTemplate(Int32 PortalID, Int32 UserID, String Template, PostInfo myPostInfo, Int32 ModuleID, Int32 TabID, Boolean IsMod, ForumInfo ForumInfo, Boolean IsLocked, Int32 RowCount) at NetTech.NTForums.TopicBuilder.ParseReplies(String Template, Int32 PortalID, Int32 ForumID, Int32 TopicID, Int32 ModuleID, Int32 TabID, Boolean IsMod, Int32 PageIndex, String Sort, Int32 PageSize, ForumInfo ForumInfo, Int32 UserID, Boolean IsLocked) at NetTech.NTForums.TopicBuilder.BuildTopic(Int32 TopicTemplateID, Int32 PortalID, Int32 ForumID, Int32 TopicID, Int32 ModuleID, Int32 TabID, Int32 UserID, Boolean IsMod, Int32 PageIndex, String Sort, ForumInfo ForumInfo, PostInfo myPostInfo, AF_TopicView pModule) at NetTech.NTForums.AF_TopicView.BindTopic(PostInfo PostInfo) at NetTech.NTForums.AF_TopicView.Page_Init(Object sender, EventArgs e) --- End of inner exception stack trace ---