WowAce

What steps will reproduce the problem?
1. Start a pet battle
2.
3.

What is the expected output? What do you see instead?
I get the error when I start a pet battle, but nothing is displayed or made aware on my UI so not to sure what it is or what comes of it.

What version of the product are you using?
v2.2.11-13-ge547

Do you have an error log of what happened?
1x Mounted-v2.2.11-13-ge547aac\frames\MainFrame.lua:329: attempt to index field "FadeInGroup" (a nil value)
Mounted-v2.2.11-13-ge547aac\frames\MainFrame.lua:329: in function <Mounted\frames\MainFrame.lua:328>
<in C code>
Blizzard_PetJournal\Blizzard_PetJournal-1.0.lua:107: in function "PetJournalParent_UpdateSelectedTab"
Blizzard_PetJournal\Blizzard_PetJournal-1.0.lua:114: in function <Blizzard_PetJournal\Blizzard_PetJournal.lua:112>
<in C code>
FrameXML\UIParent.lua:1800: in function "SetUIPanel"
FrameXML\UIParent.lua:1644: in function "ShowUIPanel"
FrameXML\UIParent.lua:1531: in function <FrameXML\UIParent.lua:1527>
<in C code>
FrameXML\UIParent.lua:2243: in function "ShowUIPanel"
FrameXML\UIParent.lua:2227: in function "ToggleFrame"
FrameXML\UIParent.lua:656: in function "TogglePetJournal"
<string>:"*:OnClick":1: in function <string>:"*:OnClick":1

Locals:
(*temporary) = <func> =[C]:-1
= <func> =[C]:-1
= <func> @Mounted\frames\MainFrame.lua:328

Please provide any additional information below.
No sorry that's all I know.