Unfortunately this method works only in some cases, and many people can't solve the notification problem in any known way.
In this forum there are already many threads discussing about this problem, it's useless to open new threads on the same sub...
A very simple way to solve this problem is by giving priority to the notification that does not receive notification
1 go to setting
2 go to application
3 touch the name of that app to open its setting
4 go to notification
5 turn on the pri...