What steps will reproduce the problem?
1. when i hover an item on my bags

What version of the product are you using?
4.0.1c

Do you have an error log of what happened?

Error occured in: Global
Count: 1
Message: attempt to concatenate a nil value
Debug:
   [C]: ?
   [C]: ?
   ...ingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11112 RemoveEnchant()
   RatingBuster\RatingBuster.lua:4450 StatSummary()
   RatingBuster\RatingBuster.lua:2908 vHandler()
   Outfitter\Outfitter.lua:8333 AddShoppingLink()
   Outfitter\Outfitter.lua:8202 ShowCompareItem()
   Outfitter\Outfitter.lua:8062
      Outfitter\Outfitter.lua:8060
   [C]: GameTooltip_ShowCompareItem()
   tekKompare\tekKompare.lua:4
      tekKompare\tekKompare.lua:3
   [C]: ?
   [C]: ?
   ...\AddOns\BeanCounter\libs\LibExtraTip\LibExtraTip.lua:279
      ...\AddOns\BeanCounter\libs\LibExtraTip\LibExtraTip.lua:273
   [C]: ?
   [C]: Outfitter_OrigSetBagItem()
   Outfitter\Outfitter.lua:7481 SetBagItem()
   ..\FrameXML\ContainerFrame.lua:780 ContainerFrameItemButton_OnEnter()
   ArkInventory\ArkInventory.lua:5957 Frame_Item_OnEnter()
   [string "*:OnEnter"]:1:
      [string "*:OnEnter"]:1