Hello,

the first time an user get into login with twitter get an error:

ModuleId:459

ModuleDefId:74

FriendlyName:Account Login

ModuleControlSource:DesktopModules/Admin/Authentication/Login.ascx

AssemblyVersion:7.2.2

PortalID:0

PortalName:iParkit.net

UserID:-1

UserName:

ActiveTabID:94

ActiveTabName:Accesso

RawURL:/Accesso.aspx?state=Twitter&oauth_token=hFyrv3EAU8uz1ywyCDrODGlE2I1uXvzC59zrFD3xsw&oauth_verifier=rUeep6z05MENJjkh54tOvUnuNIeQOP7BKlSI6fBp2bY

AbsoluteURL:/Default.aspx

AbsoluteURLReferrer:

UserAgent:Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0

DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke

ExceptionGUID:5d0605c2-ef84-46a4-8f3c-8ba495c6b404

InnerException:The parameter 'to' cannot be an empty string. Parameter name: to

FileName:

FileLineNumber:0

FileColumnNumber:0

Method:System.Net.Mail.MailMessage..ctor

StackTrace:

Message:

DotNetNuke.Services.Exceptions.ModuleLoadException: The parameter 'to' cannot be an empty string.
Parameter name: to ---> System.ArgumentException: The parameter 'to' cannot be an empty string.
Parameter name: to
   at System.Net.Mail.MailMessage..ctor(String from, String to)
   at DotNetNuke.Services.Mail.Mail.SendEmail(String fromAddress, String senderAddress, String toAddress, String subject, String body)
   at DotNetNuke.Services.Mail.Mail.SendMail(UserInfo user, MessageType msgType, PortalSettings settings)
   at DotNetNuke.Entities.Modules.UserModuleBase.CompleteUserCreation(UserCreateStatus createStatus, UserInfo newUser, Boolean notify, Boolean register)
   at DotNetNuke.Modules.Admin.Authentication.Login.UserCreateCompleted(Object sender, UserCreatedEventArgs e)
   --- End of inner exception stack trace ---

Any ideas? is it a issue?

thanks 
luca 

I believe you have already found my report in JIRA, but, for the record: This is a known issue as of DNN 7.1.0, which i reported about half a year ago. It hasn't, however, been picked up so far.

There is of course a slight possibility that it has already been fixed in DNN 7.3, but I haven't tested that yet.