Çözülemedi 20:assertion failure : nested==0 HATASI ALIYORUM

quest buffs begin
    state start begin
        when 71135.use begin
            if pc.getqf("hilal") ==    0 then
                if pc.getqf("lolipop") == 1 or pc.getqf("mutluluk") == 1 or pc.getqf("ebedi") == 1 or pc.getqf("irade") == 1 or pc.getqf("olumcul") == 1 or pc.getqf("madalya") == 1 then
                    chat(" Herhangi Bir Yüzük Aktifken Başka Bir Yüzük Kullanamazsın ")
                else
                    cmdchat("buff1")
                    chat(" Hilal Yüzüğü Aktif. ")
                    affect.add_collect(apply.EXP_DOUBLE_BONUS,50,60*60*24*365*60)       
                    affect.add_collect(apply.ATT_SPEED,20,60*60*24*365*60)
                    affect.add_collect(apply.CAST_SPEED,20,60*60*24*365*60)
                    affect.add_collect(apply.MAX_HP,2000,60*60*24*365*60)
                    affect.add_collect(apply.MAX_SP,1000,60*60*24*365*60)
                    affect.add_collect(apply.ATT_GRADE_BONUS,30,60*60*24*365*60)
                    pc.setqf("hilal",1)
                end