NB: On Windows the AltGr key is implemented as Ctrl Alt. If you are using Windows then make sure you don't have Ctrl Alt defined in any shortcut where you want to use AltGr to get the shortcut character.
I suspect that in your case "Ctrl Alt {" is defined for the action you are seeing.
NB: On Windows the AltGr key is implemented as Ctrl Alt. If you are using Windows then make sure you don't have Ctrl Alt defined in any shortcut where you want to use AltGr to get the shortcut character.
I suspect that in your case "Ctrl Alt {" is defined for the action you are seeing.