Try to understand...
If the missing face was created by using Hole you must to use the way I wrote about it before. Otherwise, it's always hard to suggest solutions to problems like this when we don't have the model in our hands.
Eventually, you can rebuild faces by connecting vertex - select them and use Connect [C].
If the missing face was created by using Hole you must to use the way I wrote about it before. Otherwise, it's always hard to suggest solutions to problems like this when we don't have the model in our hands.
Eventually, you can rebuild faces by connecting vertex - select them and use Connect [C].