It is the thorn in the side of matchmaking players, in addition to already trying to play Valve’s standard matchmaking experience in Counter-Strike: Global Offensive (which can be a huge headache in itself). In the past few days, players have experienced constant disconnections, sometimes more than once per game, and it costs them a lot.
Precisely what is going on is unknown, and there has been no statement from Valve regarding (or even acknowledging) the problem that has been reported.
However, it all seems to have started with the latest Valve Counter-Strike: Global Offensive update on May 4 and has started to snowball since then. Counter-Strike: Global Offensive Players Have Been Receiving Consistent Disconnects – Quick Fix
The error does not seem to be common at the time as part of the official match-making on the official Valve servers; ESEA and FaceIt players both seemed to dodge the majority of the problem.
The error comes from a new line that launches players who, according to the latest update, “loaded resource files into the game memory from files not present on the game server”. Fortunately, the fix is as simple as removing certain files from the CS: GO hierarchy, as reported by @GabeFollower on Twitter:
If that doesn’t work, you could be stuck at the moment. If the new disconnection experience in MM is a separate issue, we are even more in the proverbial stream.