I didn't have this problem initially after updating to iOS 11 Pb 2.
After I reset all settings, however, this started popping up every time. The only ways around seem to be to either install only one keyboard or hold the globe-button and select then.
After I reset all settings, however, this started popping up every time. The only ways around seem to be to either install only one keyboard or hold the globe-button and select then.