# Troubleshooting

| Issue                      | Fix                                    |
| -------------------------- | -------------------------------------- |
| **Can’t connect wallet**   | Use MetaMask → Add MegaETH (Chainlist) |
| **Deposit stuck**          | Check USDC approval → refresh          |
| **Challenge not starting** | Wait 1 block → retry                   |
| **XP not showing**         | Wait 1 hour → accrues hourly           |
| **Withdraw failed**        | Vault paused? → wait for unpause       |
