Redmine

Hi,

i just installed redmine and i'm testing migration of trac to redmine. I see a problem with migrating trac users to redmine. Some of the users are created properly, but there are new users that are combination from 2 existing users.

Let's say that we have following users in trac:
username Firstname Lastname Emails
user1 User1 Name user1@domain.tld
user2 User2 Name user2@domain.tld
user3 User2 Name user3@domain.tld
user4 User3 Name user4@domain.tld
user5 User4 Name user5@domain.tld

After trac migration in user lists in redmine i see these:
username Firstname Lastname Emails
user1 User1 Name - user1@domain.tld
user2 User2 Name - user2@domain.tld
user3 User3 Name - user3@domain.tld
user4 User4 Name - user4@domain.tld
user5 User4 Name - user5@domain.tld
user2--user4 user2- user4 - user2--user4@foo.bar
user2--user5 user2- user5 - user2--user5@foo.bar
user3--user1 user3- user1 - user3--user1@foo.bar
user3-user2 user3-user2 - user3-user2@foo.bar

I don't have in session_table users like user2--user4. What is expected is these wrong users to not be created.