it's too dangerous to go out alone

[skibidi piko rizzler fein pičo]

help in the train part i unlocked front door with blue keycard a after delta team cutscene the door says it's too dangerous to go out alone and i can't progress

[Petricore]

You have to go into your partner settings in the inventory menu and change the selection from “solo” to “team” so they will move together. I just had the same issue.