[rt-users] Duplicating strings in subject

[Валерий Харьков]

Hi all.
Sorry for poor english. :)

I ve got some problem with RT 3.6.
When i'am replyig or comments ticket, subject is changes to Re: [SMTH 
#100] Text.
And when i'am reply to it several times, subject will be - [SMTH #100] 
Re: [SMTH #100] Re: [SMTH #100] Re: [SMTH #100] Text.

How can i fix it?