Network and version errors

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CodeMeaningFirst safe action
E-0101 / E-0110Cannot retrieve startup dataCheck that your connection and ordinary websites work [1377]
E-0102Downloaded data was blocked or damagedTry a trusted home connection; avoid captive-portal networks [1377]
E-0124Internal asset loading errorVerify game files in Steam [1377]
E-0201Lost connection during a sessionCheck the connection, then restart the game [1377]
E-0301 / E-0302Old game versionClose the game, restart Steam and update [1377]
E-0303 / E-0304Corrupt or mismatched dataWait 10–15 minutes, verify files and update [1377]

Account, anti-cheat and device errors

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CodeNext step
E-0401Put Steam online, confirm the intended account, restart Steam and the game [1377]
E-0403 / E-0404Verify files and restart the PC; ask support if authentication still fails [1377]
E-0405Open Steam, verify files and launch from the Steam library [1377]
E-0501 / E-0502Launch through Steam, verify files and restart; contact support for persistent EAC issues [1377]
E-0601Attach a physical keyboard and mouse; avoid remote desktop for launch [1377]
E-0904Restart; if repeated, send support the error text [1377]

Keep troubleshooting safe

Editorial safety note: this page intentionally does not repeat the FAQ’s instructions to stop antivirus protection or broadly allowlist software. Keep protection enabled, use the legitimate Steam installation, and ask support to review persistent security-related errors. [1377][1380]

How to verify files

  1. In Steam, open the game’s Properties, choose Installed Files, then Verify integrity of game files. This is the developer’s documented file-check path for loading problems. [1376]

Sources & scope

Based on live developer documentation checked on November 9, 2026. The FAQ supplies no game build number. These steps are documented, not independently play-tested.