endless quest ?

i killed all rats, spiders and centipedes and still have this quest in progress quest can not be successfully ended (bug) <70%hp 97%m 94%mv 3805tnl (4.88%)> whe rat You didn't find any rat. <70%hp 97%m 94%mv 3805tnl (4.88%)> whe spider You didn't find any spider. <70%hp 97%m 94%mv 3805tnl (4.88%)> whe centipede You didn't find any centipede. *snip*