WowAce

Getting this error when I first use Bartender, doesn't seem to break anything that I can see.

3x [ADDON_ACTION_BLOCKED] AddOn 'Bartender4' tried to call the protected function 'MultiBarBottomLeftButton10:SetAttribute()'.
[!BugGrabber/BugGrabber.lua]:583: in function '?'
[!BugGrabber/BugGrabber.lua]:507: in function <!BugGrabber/BugGrabber.lua:507>
[C]: in function 'SetAttribute'
[Blizzard_ActionBar/Shared/ActionButton.lua]:521: in function 'UpdatePressAndHoldAction'
[Blizzard_ActionBar/Shared/ActionButton.lua]:596: in function 'Update'
[Blizzard_ActionBar/Shared/ActionButton.lua]:544: in function 'UpdateAction'
[Blizzard_ActionBar/Shared/ActionButton.lua]:1070: in function 'OnEvent'
[Blizzard_ActionBar/Shared/ActionButton.lua]:223: in function <...ceBlizzard_ActionBar/Shared/ActionButton.lua:220>

Locals:
self = <table> {
}
event = "ADDON_ACTION_BLOCKED"
addonName = "Bartender4"
addonFunc = "MultiBarBottomLeftButton10:SetAttribute()"
name = "Bartender4"
badAddons = <table> {
 Bartender4 = true
}
L = <table> {
 ADDON_CALL_PROTECTED_MATCH = "^%[(.*)%] (AddOn '.*' tried to call the protected function '.*'.)$"
 NO_DISPLAY_2 = "|cffffff00The standard display is called BugSack, and can probably be found on the same site where you found !BugGrabber.|r"
 ERROR_DETECTED = "%s |cffffff00captured, click the link for more information.|r"
 USAGE = "|cffffff00Usage: /buggrabber <1-%d>.|r"
 BUGGRABBER_STOPPED = "|cffffff00There are too many errors in your UI. As a result, your game experience may be degraded. Disable or update the failing addons if you don't want to see this message again.|r"
 STOP_NAG = "|cffffff00!BugGrabber will not nag about missing a display addon again until next patch.|r"
 ADDON_DISABLED = "|cffffff00!BugGrabber and %s cannot coexist; %s has been forcefully disabled. If you want to, you may log out, disable !BugGrabber, and enable %s.|r"
 NO_DISPLAY_STOP = "|cffffff00If you don't want to be reminded about this again, run /stopnag.|r"
 NO_DISPLAY_1 = "|cffffff00You seem to be running !BugGrabber with no display addon to go along with it. Although a slash command is provided for accessing error reports, a display can help you manage these errors in a more convenient way.|r"
 ERROR_UNABLE = "|cffffff00!BugGrabber is unable to retrieve errors from other players by itself. Please install BugSack or a similar display addon that might give you this functionality.|r"
 ADDON_CALL_PROTECTED = "[%s] AddOn '%s' tried to call the protected function '%s'."
}