Might want to put in a force player teleportation.

0_1527646731250_Space Hulk  DeathWing Screenshot 2018.05.29 - 20.16.28.39.png
I'm sure the photo covers it all, at the objective where you have to drop the gate, might want to force teleport all players to the correct side so they are not trapped behind it.

That indeed sounds like a good idea. Thank you 🙏