Program: 135097
Project: 135097
Buggy source:
@Override public List<String> getWailaBody(Entity entity,List<String> tip,IWailaEntityAccessor data,IWailaConfigHandler cfg){
  if (entity instanceof EntityLiving && cfg.getConfig(showEquippedItems)) {
    EntityLiving living=(EntityLiving)entity;
    for (int i=0; i < 5; i++) {
      ItemStack stack=living.getEquipmentInSlot(i);
      if (stack != null && data.getPlayer().isSneaking())       tip.add(StatCollector.translateToLocal("String_Node_Str" + itemTypes[i]) + "String_Node_Str" + stack.getDisplayName());
    }
    if (cfg.getConfig(showEntityArmor) && living.getTotalArmorValue() > 0)     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + living.getTotalArmorValue());
  }
  if (cfg.getConfig(showPetOwner)) {
    NBTTagCompound tag=Utilities.convertEntityToNbt(entity);
    NBTTagCompound extTag=entity.getEntityData();
    for (    String currentKey : petTags) {
      if (tag.hasKey(currentKey) && !tag.getString(currentKey).isEmpty())       tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + tag.getString(currentKey));
      if (extTag.hasKey(currentKey) && !extTag.getString(currentKey).isEmpty())       tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + extTag.getString(currentKey));
    }
  }
  if (entity instanceof EntityAnimal) {
    EntityAnimal animal=(EntityAnimal)entity;
    if (cfg.getConfig(showAge) && animal.isChild() && animal.getGrowingAge() != 0)     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + ((animal.getGrowingAge() / 20) * -1)+ "String_Node_Str"+ StatCollector.translateToLocal("String_Node_Str"));
 else     if (cfg.getConfig(showBirthCooldown) && animal.getGrowingAge() != 0)     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + ((animal.getGrowingAge() / 20))+ "String_Node_Str"+ StatCollector.translateToLocal("String_Node_Str"));
  }
  if (entity instanceof EntityTameable && cfg.getConfig(showPetSitting)) {
    EntityTameable pet=(EntityTameable)entity;
    tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + pet.isSitting());
  }
  return tip;
}

Fixed version (ground truth):
@Override public List<String> getWailaBody(Entity entity,List<String> tip,IWailaEntityAccessor data,IWailaConfigHandler cfg){
  if (entity instanceof EntityLiving && cfg.getConfig(showEquippedItems)) {
    EntityLiving living=(EntityLiving)entity;
    for (int i=0; i < 5; i++) {
      ItemStack stack=living.getEquipmentInSlot(i);
      if (stack != null && data.getPlayer().isSneaking())       tip.add(StatCollector.translateToLocal("String_Node_Str" + itemTypes[i]) + "String_Node_Str" + stack.getDisplayName());
    }
    if (cfg.getConfig(showEntityArmor) && living.getTotalArmorValue() > 0)     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + living.getTotalArmorValue());
  }
  if (cfg.getConfig(showPetOwner)) {
    NBTTagCompound tag=Utilities.convertEntityToNbt(entity);
    NBTTagCompound extTag=entity.getEntityData();
    for (    String currentKey : petTags) {
      if (tag.hasKey(currentKey) && !tag.getString(currentKey).isEmpty())       tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + tag.getString(currentKey));
      if (extTag.hasKey(currentKey) && !extTag.getString(currentKey).isEmpty())       tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + extTag.getString(currentKey));
    }
  }
  if (entity instanceof EntityAnimal) {
    EntityAnimal animal=(EntityAnimal)entity;
    if (cfg.getConfig(showAge) && animal.isChild() && animal.getGrowingAge() != 0)     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + ((animal.getGrowingAge() / 20) * -1)+ "String_Node_Str"+ StatCollector.translateToLocal("String_Node_Str"));
 else     if (cfg.getConfig(showBirthCooldown) && animal.getGrowingAge() != 0)     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + ((animal.getGrowingAge() / 20))+ "String_Node_Str"+ StatCollector.translateToLocal("String_Node_Str"));
  }
  if (entity instanceof EntityTameable && cfg.getConfig(showPetSitting)) {
    EntityTameable pet=(EntityTameable)entity;
    if (pet.isTamed())     tip.add(StatCollector.translateToLocal("String_Node_Str") + "String_Node_Str" + pet.isSitting());
  }
  return tip;
}