Yardım Problem with high level pet

I think this problem is known because I found many people have the same problem when I searched
The pet works well to the level 80 and shows this problem
And This syserr

0902 11: 09: 04966 :: CPythonSkill :: RegisterSkillDesc (dwSkillIndex = 137) - Strange Skill Need Weapon (CLAW)
0902 11: 09: 04966 :: CPythonSkill :: RegisterSkillDesc (dwSkillIndex = 139) - Strange Skill Need Weapon (CLAW)
0902 11: 09: 13209 :: CMapOutdoor :: Load - LoadMonsterAreaInfo ERROR
0902 11: 13: 54487 :: CRaceManager :: RegisterRacePath: RACE [34050] LOAD MSMFILE [d: / ymir work / npc_pet / yamachun_young2 / yamachun_young2.msm] ERROR. Will Find Another Path.
0902 11: 13: 54487 :: CRaceManager :: RegisterRacePath: RACE [34050] LOAD MSMFILE [d: / ymir work / npc2 / yamachun_young2 / yamachun_young2.msm] ERROR. Will Find Another Path.
0902 11: 13: 54487 :: CRaceManager :: RegisterRacePath: RACE [34050] LOAD MSMFILE [d: / ymir work / npc / yamachun_young2 / yamachun_young2.msm] ERROR. Will Find Another Path.
0902 11: 13: 54487 :: CRaceManager :: RegisterRacePath: RACE [34050] LOAD MSMFILE [d: / ymir work / monster / yamachun_young2 / yamachun_young2.msm] ERROR. Will Find Another Path.
0902 11: 13: 54487 :: CRaceManager :: RegisterRacePath: RACE [34050] LOAD MSMFILE [d: / ymir work / monster2 / yamachun_young2 / yamachun_young2.msm] ERROR. Will Find Another Path.
0902 11: 13: 54487 :: CRaceManager :: RegisterRacePath: RACE [34050] LOAD MSMFILE [d: / ymir work / guild / yamachun_young2 / yamachun_young2.msm] ERROR
0902 11: 13: 54487 :: CRaceManager :: GetRaceDataPointer: cannot load data by dwRaceIndex 34050
0902 11: 13: 54516 :: void CActorInstance :: RefreshActorInstance () - m_pkCurRaceData = NULL