Error codes and requirements
What each ROB RUN error code means, from Kefir's own help article. If lots of people hit connection errors at once, check the status signal first.
Error codes
| Code | Meaning | Whose side |
|---|---|---|
| E-0101, E-0110 | Cannot reach the server for configuration | Network or servers |
| E-0102 | Data is being blocked, for example by guest Wi-Fi or antivirus | Your network |
| E-0124 | Assets failed to load | Network or files |
| E-0201 | Lost connection to the game server | Network or servers |
| E-0301, E-0302 | Game version is out of date | Update the game |
| E-0303, E-0304 | Game data is corrupt or does not match | Verify files |
| E-0401 | Steam sign-in failed | Steam |
| E-0403, E-0404 | Epic Online Services sign-in failed | Epic Online Services |
| E-0405 | Steam is not responding | Steam |
| E-0501, E-0502 | Easy Anti-Cheat is not running, is corrupted or is blocked | Your PC |
| E-0601 | No keyboard and mouse found, as with remote desktop or cloud streaming | Your setup |
| E-0904 | Unexpected internal error | The game |
Codes and meanings are Kefir's. [1] The last column is our reading of them.
Why disconnects were common at launch
On 9 November 2026 Kefir said its servers were being hit by large, ongoing DDoS attacks, and named them as the main cause of connection drops and lag. It also confirmed that crashes had caused progress rollbacks and item duplication. [2]
System requirements
| Minimum | Recommended | |
|---|---|---|
| System | Windows 10 64-bit or later | Windows 10 64-bit or later |
| Processor | Intel Core i5-6600K or AMD Ryzen 5 1600 | Intel Core i5-9600K or AMD Ryzen 5 3600 |
| Memory | 12 GB | 16 GB |
| Graphics | GTX 1050 Ti, RX 580 or Arc A380 | RTX 2070, RX 5700 XT or Arc B570 |
| Storage | 20 GB | 20 GB |
From Kefir's help article and the Steam store page. [3] [4]
Linux, Steam Deck and Proton
ROB RUN is listed for Windows only. [4] It uses Easy Anti-Cheat, [1] and players are asking Kefir to enable it for Proton. There is no official answer yet.
Cheating and bans
Kefir says its automated systems issued more than 4,000 cheat-related bans in the first days of Early Access, and that cheating means a permanent ban. [5]
Contacting support
Have your player ID ready: press Esc in game and it is shown on the right. [6]
Sources
- What should I do if I get an error code?. Kefir Help Center.
- ROB RUN: Status Update. Kefir, pinned Steam discussion, 9 November 2026.
- What are the system requirements?. Kefir Help Center.
- ROB RUN on Steam (store page). Kefir.
- Tackling Cheaters in ROB RUN. Kefir, pinned Steam discussion, 9 November 2026.
- Where can I find my ID?. Kefir Help Center.
Last checked against these sources on .