WoW Version
Retail

AddOn skin name
It's the WoW UI

Describe the bug
1x [ADDON_ACTION_FORBIDDEN] AddOn 'Skinner' tried to call the protected function 'CastSpellByID()'.
[string "@!BugGrabber/BugGrabber.lua"]:485: in function <!BugGrabber/BugGrabber.lua:485>
[string "=[C]"]: in function `CastSpellByID'
[string "@Blizzard_ObjectiveTracker/Blizzard_ScenarioObjectiveTracker.lua"]:1090: in function <...jectiveTracker/Blizzard_ScenarioObjectiveTracker.lua:1089>

Locals:
_ = Frame {
}
event = "ADDON_ACTION_FORBIDDEN"
events =

Hi,
This is caused by the Objective Tracker skin. You can either reload the UI which should allow the button to be pressed without an error, or disable the skinning of the Objective Tracker.