Unknow errors+crashes midgame

[fpost152]

After updating from build 5050 I've started experiencing crashes midgame with no errors untill trying to reconnect to the match (first pic). There were many of those.
After updating to build 5081 I got another type of crash, still midgame, but with error immediately after crash (second pic), and after trying to launch game two more errors and crash (pics three and four), match id where I crashed last time is 1560286.
I'm looking forward to provide any other vital information.

 

[fpost152]

Found a fix to lower ram speed, testing it, will return in with results after 2 days

 

[fpost152]

Yes, ram speed fix worked, turned of expo, lowered from 6000mhz to 5200mhz

 

[fpost152]

UPDATE: crashes with error from pic.1 are still present