error happend in the Draenor Garrison when trying to buy multiple items

2x [ADDON_ACTION_FORBIDDEN] AddOn 'Bagnon' tried to call the protected function 'RunBinding()'.
!BugGrabber\BugGrabber.lua:573: in function <!BugGrabber\BugGrabber.lua:573>
[C]:: in function 'RunBinding'
FrameXML\StackSplitFrame.lua:181: in function <FrameXML\StackSplitFrame.lua:178>
[C]:: in function 'Hide'
FrameXML\StackSplitFrame.lua:167: in function 'StackSplitFrameOkay_Click'
FrameXML\StackSplitFrame.lua:112: in function <FrameXML\StackSplitFrame.lua:90>