> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chok.market/llms.txt
> Use this file to discover all available pages before exploring further.

# Error Messages

> Why an order was rejected and what to do.

When an order is rejected, you get one of these messages. `0x…` stands for the order's ID.

## Account

| Message | Meaning | What to do |
| - | - | - |
| `phone verification required` | Your phone isn't verified yet | Verify your phone. The app opens the verification window for you |
| `limit orders are not available for this account` | Only market orders are open to users | Use a market order |
| `API trading is not available for this account` | API and bot trading is closed to users | Trade in the app |

## Order size and price

| Message | Meaning | What to do |
| - | - | - |
| `invalid amount for a marketable BUY order ($…), min size: $1` | The buy is worth less than 1 chUSD | Buy at least 1 chUSD |
| `order 0x… is invalid. Price (…) breaks minimum tick size rule: …` | The price is outside the allowed range for the market's tick size | Use a price between the tick size and 1 − tick size |

## Fills

| Message | Meaning | What to do |
| - | - | - |
| `order couldn't be fully filled. FOK orders are fully filled or killed.` | A Fill or Kill order couldn't fill completely, so nothing filled | Buy a smaller amount, or switch to Fill and Kill |
| `no orders found to match with FAK order. FAK orders are partially filled or killed if no match is found.` | Nothing on the book matched within your worst acceptable price | Try again; the price may have moved |
| `order 0x… crosses the book` | The only orders your order could match are your own | Nothing to do; you can't trade with yourself |

## Market and platform

| Message | Meaning | What to do |
| - | - | - |
| `the market is not yet ready to process new orders` | The market is closed, paused or resolved, or trading is paused platform-wide | Check the market's status. Cancels still work |
| `rate limit exceeded` | Too many requests in a short time | Wait a few seconds and try again |
| `order 0x… is invalid. Duplicated.` | The same signed order was sent twice | Place a new order |

Still stuck? Email [tech@chok.market](mailto:tech@chok.market).


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