BuddyPress.org

Hi,
I have a very strange Problem!
In the <div id=”item-header-content”> section there Should be a <h2 class=”user-nicename”></h2> entry with @whiskyharry, for example.
In my installation, I’m missing this since today.

What did I do?
I’ve installed two plugins “BP Display Name” and “Buddypress Usernames Only”

Why did I do that?
In the registration process, there are some fields to be filled out and they are organized in two columns:
Username, Emailaddress and Password ( I think these are for WP ) and another Name ( I think this is the nickname for Buddypress )

I entered the following:
username “Snowwhite”
name “Sleeping Beauty”

In the tables, I found the entries as follows:
wp_xy_users:
user_login: Snowwhite
user_nicename: snowwhite
display_name: Sleeping Beauty

wp_xy_usermeta:
first_name: Sleeping
last_name: Beauty
nickname: Sleeping Beauty

wp_xy_bp_xprofile_data:
field_id 1: Sleeping Beauty

Then I log-in:
URL: snowwhite
Login-Widget: Sleeping Beauty
Header: Snowwhite
Breadcrumb: Snowwhite
in the Profile Name field: Sleeping Beauty

Then I Change my Name (expected: I change the nickname) to “Tarzan”
URL: snowwhite
Login-Widget: Sleeping Beauty
Header: Snowwhite
Breadcrumb: Snowwhite
in the Profile Name field: Sleeping Beauty

When I log in and change my Profile-Name to “Tarzan”, I find the following:
URL: snowwhite
Login-Widget: Tarzan (that should be the Username?)
Header: Tarzan
Breadcrumb: Tarzan
in the Profile Name field: Tarzan

wp_xy_users:
user_login: Snowwhite
user_nicename: snowwhite
display_name: Tarzan

wp_xy_usermeta:
first_name: Tarzan
last_name:
nickname: Tarzan

wp_xy_bp_xprofile_data:
field_id 1: Tarzan

So, with changing the nickname, I changed first_name, last_name, nickname and the LOGIN_NAME

So I ask me some questions:
1. Is this the correct behavor?
2. What do I really change?
3. Where is my “item-header-content” ?

Can anybody hep me? I’m very confused 🙁