CAPIJobRequestUserStats - Server response failed 2 typically occurs when your Steam client fails to communicate with Valve's backend servers to fetch user-specific data like achievements, statistics, or licenses. This is often a temporary server-side issue or a local network conflict rather than a problem with your game files. Manjaro Linux Forum Top Solutions to Fix the Error Steam games failing to run - Manjaro Linux Forum
Network Conflicts: Use of a VPN or proxy can cause a mismatch between your IP location and the expected download server. Issues with GitHub users suggest that IPv6 or misconfigured DNS can also trigger this. Partial or corrupted response caused the client parser
Ensure your client uses the exact API version the server expects. producing a misleading token.