Walls symbolize obstacles and boundaries.
If a wall stands in your way in a dream, there is a barrier obstructing your progress in real life. To dream that you jump over or break through a wall means you will overcome some tough obstacles and succeed.
To dream that you are building a wall signifies a bad relationship or protecting yourself from a trauma already experienced.
To dream about a hole in a wall indicates that you are breaking through obstacles and overcoming your limitations.
If you continue on your present course with confidence, you will succeed in rising above your problems.