Check that you have done it like that:
Player
-> Collision
- Any side
- Wall
- Repeat: yes
-> Physical Response
- Move Event Actor Only
- Use Calculated
- Event multiplier: 1
- Collide multiplier: 1
- Event Actor 0
- Collide Actor 1
-> Add
-> Immediate action
Same as a photo:
That works.
If you have any questions, ask me, and I'll try to help you!