WowAce

What version of the product are you using?

Do you have an error log of what happened?

1x InventoryOnPar-r109\InventoryOnPar.lua:414: attempt to index global 'this' (a nil value)
<string>:"*:OnLoad":1: in function <[string "*:OnLoad"]:1>

Locals:
self = InventoryOnParFrame {
0 = <userdata>
}

  ---
1x <string>:"InventoryOnParUIFrameTableHeaderIOPScore:OnLoad":1: attempt to index global 'this' (a nil value)

Locals:

  ---
1x InventoryOnPar-r109\InventoryOnParUI.lua:27: attempt to index global 'this' (a nil value)
<string>:"*:OnLoad":1: in function <[string "*:OnLoad"]:1>

Locals:
self = InventoryOnParUIFrameTableRowButton1 {
0 = <userdata>
}

  ---

This is just some of the bugs that I get from IOP.