[ADDON_ACTION_BLOCKED] AddOn 'TalentTreeTweaks' tried to call the protected function 'PickupSpell()'.
[string "@!BugGrabber/BugGrabber.lua"]:485: in function <!BugGrabber/BugGrabber.lua:485>
[string "=[C]"]: in function `PickupSpell'
[string "@Blizzard_SharedTalentUI/Blizzard_SharedTalentButtonTemplates.lua"]:376: in function <...redTalentUI/Blizzard_SharedTalentButtonTemplates.lua:372>

Locals:
_ = Frame {
RegisterEvent = defined @!BugGrabber/BugGrabber.lua:491
0 =
UnregisterEvent = defined @!BugGrabber/BugGrabber.lua:491
SetScript = defined @!BugGrabber/BugGrabber.lua:491
}
event = "ADDON_ACTION_BLOCKED"
events =

Known issue which isn't possible to resolve; at least it only happens in combat