Bug fashion \"White squad\" 2.0 (S.T.A.L.K.E.R.: Call of Pripyat)

people pomagite please, I put on the Stalker mod for the white squad version 2.0 so I have already reached locations the vicinity of Jupiter, and after I beat 2 missions with uchenymi where you have 1. go and measure the anomaly in the cooling tower 2. need to find the drone and extract tipo black box so the bug is that after executing those 2 missions as Toko uchonye issue documents on the product 62 the job to talk with the gunman, but the problem is that at this time the shooter leaves the vicinity and runs to uchonym says the same phrase, and so, when I served a mission to the cooling towers and after uchonyh runs directly to the tower where he just sits on the courts and to talk with him I can't no like Cho to do maybe someone knows