League of Legends Error Codes — Complete List
| Code | Description | Severity | Difficulty |
|---|---|---|---|
| Bug Splat | League of Legends Bug Splat Error: How to Fix It | high | Medium |
| Error Code 003 | League of Legends Error Code 003: How to Fix It | medium | Easy |
| Error Code 004 | League of Legends Error Code 004: How to Fix It | medium | Easy |
| Error Code 005 | League of Legends Error Code 005: How to Fix It | medium | Medium |
| Error Code 900 | League of Legends Error Code 900: How to Fix It | high | Easy |
| Error Code 999 | League of Legends Error Code 999: How to Fix It | high | Medium |
| Login Queue Error | League of Legends Login Queue Error: How to Fix It | low | Easy |
| PVP.net Patcher Error | League of Legends PVP.net Patcher Error: How to Fix It | high | Easy |
| Reconnect Failed | League of Legends Reconnect Failed Error: How to Fix It | medium | Medium |
| Vanguard Has Encountered an Error | League of Legends Vanguard Has Encountered an Error: How to Fix It | medium | Easy |
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