Cant log into bo4 ABCDEF error code? Help

[purpleandgold33]

I cannot log into bo4. I've tried resetting modem router, etc. I get the A.b.cdefg error cod negative 345 silver wolf. I don't understand. All my friends that live near me are playing. Help

[pollutionblues]

It’s a known issue. Here’s the tweet from Activision Support.