Running Software (issues missing this information will be deleted):

• Addon version: 10.0.16 for WoW 10.0.2
• Server patch: 10.0.5

Have you read the changelog? (please don't waste our time)
Yes

Describe the bug
When levelling up, the game will freeze and Bugsack will spit the following out:
3x [ADDON_ACTION_BLOCKED] AddOn 'Bagnon' tried to call the protected function 'PrimaryProfession2SpellButtonBottom:Hide()'.
[string "@!BugGrabber/BugGrabber.lua"]:480: in function <!BugGrabber/BugGrabber.lua:480>
[string "=[C]"]: in function Hide' [string "@FrameXML/SpellBookFrame.lua"]:1577: in function FormatProfession'
[string "@FrameXML/SpellBookFrame.lua"]:1593: in function `SpellBook_UpdateProfTab'
[string "@FrameXML/SpellBookFrame.lua"]:163: in function <FrameXML/SpellBookFrame.lua:142>

To Reproduce
Steps to reproduce the behaviour:
Go on any character
Level them up
Observe a freeze that almost looks like the game has crashed before resuming gameplay

Expected behaviour
Nothing

Screenshots
If applicable, add screenshots to help explain your problem.

Error Logs
3x [ADDON_ACTION_BLOCKED] AddOn 'Bagnon' tried to call the protected function 'PrimaryProfession2SpellButtonBottom:Hide()'.
[string "@!BugGrabber/BugGrabber.lua"]:480: in function <!BugGrabber/BugGrabber.lua:480>
[string "=[C]"]: in function Hide' [string "@FrameXML/SpellBookFrame.lua"]:1577: in function FormatProfession'
[string "@FrameXML/SpellBookFrame.lua"]:1593: in function `SpellBook_UpdateProfTab'
[string "@FrameXML/SpellBookFrame.lua"]:163: in function <FrameXML/SpellBookFrame.lua:142>

Additional context
I like bagnon and appreciate all the work that is done for it.