During a closed beta, the account needs the correct Playtest license and the servers need to be inside the announced window. A pre-order on one Steam account does not grant another account access. [steam-beta-schedule]

Test account and server availability first

  1. Confirm you are signed into the Steam account that owns or received access.

  2. Check that Closed Beta 02 servers are within the September 3-6 window.

  3. Restart Steam, update the Playtest client and verify installed files.

  4. If many players report the same failure, wait for an official service update before reinstalling.

Avoid risky Windows changes

The numeric code has no public official diagnostic article. Community reports support an entitlement or service link, but not one universal cause. [steam-discussion]