I have a site that uses the user's email address as their username, and have had a couple users complain that they couldn't login. I traced down the following log viewer error:
AbsoluteURL:/Default.aspx
DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID:2e399053-bd30-427b-93e6-8ff5bf07dfb8
AssemblyVersion:7.4.0
PortalId:4
UserId:-1
TabId:331
RawUrl:/Members?returnurl=%2f
Referrer:http://www.siteurl.com/Members?returnurl=%2f
UserAgent:Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.124 Safari/537.36
ExceptionHash:xA4jFHV/1RzljpJHLwztgw==
Message:Object reference not set to an instance of an object.
StackTrace:
InnerMessage:Object reference not set to an instance of an object.
InnerStackTrace:
at DotNetNuke.Modules.Admin.Authentication.Login.OnLoginClick(Object sender, EventArgs e)
at System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e)
at System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument)
at System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Any thoughts on how this could be fixed? Thanks!