This seems to effect many other LG phones , specifically their keyboard app and basically makes your phone unusable where you cannot use the keyboard because that message keeps popping up and the keyboard will not load.
unfortunately lg keyboard has stopped solution:
1. Go to your settings and manage apps and find the LG Keyboard app:
2. Stop it from running, delete all data and clear all cache.
After the above you will probably find that your keyboard responds better and more quickly too.
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