Anybody an idea to fix?

[DamageSystemData::GetMaxHealth] :: [Radioactive_Wolf_Beast] :: Could not find zone "Zone_Pelvis"
Class: 'ActionSkinning'
Function: 'OnFinishProgressServer'
Stack trace:
scripts/4_World/classes\useractionscomponent\actions\continuous\actionskinning.c:233
scripts/4_World/classes\useractionscomponent\actions\actioncontinuousbase.c:211
scripts/4_World/classes\useractionscomponent\actioncomponents\cacontinuousbase.c:12
scripts/4_World/classes\useractionscomponent\actioncomponents\cacontinuoustime.c:53
scripts/4_World/classes\useractionscomponent\animatedactionbase.c:66
scripts/4_World/classes\useractionscomponent\animatedactionbase.c:320