Problem with joining Combined Arms mode as a squad of 3 or more

Hello guys, I have a huge problem that I have no idea how to solve or what to try to fix this. I wanted to play combined arms with 3 of my friends, but it won't let us get into the mission. When we start the mission, it starts loading, and then it never stops loading, we never get into the mission. Yesterday when I tried it worked with 3 of us in a squad, and today when I tried playing with 2 of my friends, it doesn't let us start the mission even as 3 people. The screen od black, with icon of BF5 loading at the top for everyone except the leader, who has "waiting for squad members" on his screen with a bar underneath that's loading infinitely. Only thing that "fixes" infinite loading is if one of us leaves the squad. As soon as one of us leaves the squad, we get into the mission.

Please help me, thank you.