Jon, just add a member manually through the backend. I have had issues where conout member tools puts in the password twice into the db.

let me know.

Yeah could you check if you get the same issue when you create a member manually

You are both correct...if I manually add a member - it works. 

In this case, though, we were wanting to allow instant access (registered members-only content) instantly with no approval. So we wouldn't be able to do that and also manually add the members.

Would it help if I reinstalled Contour Member Tools? I did this same feature on another site and is working perfectly. So that's my only other thought. What do you guys suggest? 

Bob and Tim,

I re-built everything, including uninstalling and reinstalling the Contour Member Tools package. I still get the same result, where if I manually enter a member it's fine, but if they create it via the Contour form, and go to log in later, it says "An item with the same key has already been added."

Is there any hope here? I really am at a dead-end now. It works perfectly on another Umbraco site of mine with the exact same version. Should I attempt to rebuild this entire site, starting with a fresh Umbraco install? That's my only other idea.

Any help would be so appreciated.

Any more details on the error, stack trace so we can see where it's coming from...?

Sure, here it is. Again, it's when I log in as a user that was originally created via the Contour form and Contour Member Tools. Instead of letting me log in, it gives this:

Server Error in '/' Application.

An item with the same key has already been added.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.ArgumentException: An item with the same key has already been added.

Source Error: 

Stack Trace: 

[ArgumentException: An item with the same key has already been added.]
   System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +12673712
   Examine.LuceneEngine.Providers.LuceneIndexer.GetDataToIndex(XElement node, String type) +679
   UmbracoExamine.UmbracoMemberIndexer.GetDataToIndex(XElement node, String type) +11
   Examine.LuceneEngine.Providers.LuceneIndexer.AddNodesToIndex(IEnumerable`1 nodes, String type) +216
   Examine.LuceneEngine.Providers.LuceneIndexer.ReIndexNode(XElement node, String type) +188
   Examine.ExamineManager._ReIndexNode(XElement node, String type, IEnumerable`1 providers) +93
   umbraco.cms.businesslogic.member.SaveEventHandler.Invoke(Member sender, SaveEventArgs e) +0
   umbraco.cms.businesslogic.member.Member.Save() +336
   umbraco.providers.members.UmbracoMembershipProvider.ValidateUser(String username, String password) +486
   System.Web.UI.WebControls.Login.AuthenticateUsingMembershipProvider(AuthenticateEventArgs e) +225
   System.Web.UI.WebControls.Login.AttemptLogin() +166
   System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +93
   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +52
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3691

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1

Looks like an issue with the examine index so if you fix that it should work, try rebuilding the index there are a couple of tools available in the projects section

Thanks, Tim. I will post my results here.

Tim, I installed the "Examine Dashboard" package and under "Index Providers > Internal Indexer" clicked "Rebuild Index". Still no luck. 

In the Log area, I see the message below. Any ideas?

[UmbracoExamine] Field "InternalMemberIndexSet" is listed multiple times in the index set "email". Please ensure all names are unique.

I also tried Ismail's Examine Index Admin, and if I rebuild the InternalMemberIndexer it gives the same "Same Key" error as you see above, so it won't rebuild.

Have you more than one member with same email address? 

No, however, I have added som, deleted them, and re-created with the same address.

I tried a clean, new address, too, with no luck.

Hi guys, due to the normal web time crunch, I went ahead and rebuilt this website, reinstalling Umbraco and all other pieces. The login worked like a charm. If anyone else has this problem, I suggest that...and even doing the login piece FIRST to make sure there are no issues before doing HTML/CSS, etc. and the normal web build.

Thanks again to Tim, Ismail and Bob for helping.

is working on a reply...