Issues with keys of some sort?

[nerfed 8]

I have started using the six updater, and installed @DayZ, @CBA, @CBA_A2, @CBA_OA, and expansion/beta, all under the "Day Z" preset.

I have completed all possible options (install, update, verify/repair, process BIkeys, process userconfigs).

Now upon running the game, all mods from that preset show up in the main menu (@dayz, @CBA, @CBA_A2, @CBA_OA, beta).

When trying to find servers, I see the following:

I can join and actually play on servers with a yellow dot on the left. All the servers with a red dot (about 95% of all servers) give me the following error:

Any help? I'm thinking the issue lies with the fact that six updater launches the game without steam. If 'linking' SU with steam would fix this issue, how do I do that?

[Beloozero 118]

The @CBA folder should be deleted. Make a backup and get it out of the main folder and see what happens.

[nerfed 8]

SU re-installs @CBA if I remove it.

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Removed @CBA folder, same results (all red dots). Same error I got at first, except now it shifts the blame to @CBA_OA.