dinbandhukumar , via OnePlus 7 Pro Mirror Gray , Oct 25, 2020 : try to update the app from playstore if available. if not available then try to clear the storage and check whether it is working or not.
brian.sedore , via OnePlus 7 Pro , Oct 26, 2020 : Maybe it's a location thing, but my OnePlus Messages app seems to have disappeared on the 7Pro. Luckily, I use Google Messages anyway. Is this a OnePlus Messages problem?
Wrba , Oct 26, 2020 : if this continues to happen you will have to reset phone on factory settings then it will be ok