Build Besiege from source - 50% complete - need help. Mar 4, 2015 18:17:43 GMT SarahC likes this Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Zeblote on Mar 4, 2015 18:17:43 GMT It's due to the physics engine update running out of time for that frame. Unity 5 upgrade will most likely fix it.