need help - why is double userrank stars

[gsmworldone]

Hello to all,

Our admincp > userrankmanager
This is my userrank in my forum

we put stars as rank for our member,mod,smod,admin.etc.etc.
in my forum, we can easyly determin what usergroup they are belong
in what stars indicates below there usertitle


now if i add the member an additional usergroup,
example is the s.vip, i will add him as my secret administrator
and also set to display usergroup to s.vip so that it hide as admin account

but if i look at that member two userrank stars will appear.

or

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all i want is
if i add additional usergroup,
only one userrank star will appear.

this is in there panel