[Zope] exUserFolder: short error-message showing up prior to login form

[Elena Schulz]

Hi,

using exUserFolder with Cookie based authentification (basic and secure) and
database based auth.source an error message shows up for one or a half
second before the login form appears and everything works as normal
afterwards.
This happens with the standart form or a customized one. It doesn't look
very good so I want to stop that.

Any clues about that? I cannot read that fast to tell you about the content
of the error message.

-- Elena