Online problem

[lmamone]

I literally cannot seem to get a game online recently.
As soon as the game is about to start, this pops up:

"A problem has been encountered that prevents gameplay from continuing. This game will not be counted."

Happened last ten times, i even got a 1 loss(My Team) despite message saying otherwise.
Now i tried opening all of the ports that 2k support suggest, but no luck...
Anyone else with similar problem?Any other solutions besides port forwarding thing?

[lmamone]

It's weird because it happens only when i try to play Supermax.
Play Now online and Pack and Playoffs, the other two online modes that i play, work just fine.

[TGsoGood]

Its not working for me either. I don't even see anyone else at all

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[lmamone]

I can find a game, just cannot play due to a aforementioned error.
Just played 6-7 matches of Pack and Playoffs, got kicked out only once.
But Supermax is impossible to play, right after the tip-off i get the error every single time...