# Chain API Errors

| resultCode | resultMessage                   | remark |
| ---------- | ------------------------------- | ------ |
| 200        | Success                         |        |
| 500        | Internal Server Error           |        |
| 501        | Signature Verify Error          |        |
| 502        | Signature Verify Fail           |        |
| 503        | Invalid TempKey                 |        |
| 504        | Sign Transaction Error          |        |
| 505        | Contract Address Not Found      |        |
| 506        | Contract Address Type Not Match |        |
| 507        | Address Not Found               |        |
| 508        | Address invalid                 |        |
| 509        | Address information invalid     |        |
| 510        | Contract address invalid        |        |
| 511        | Contract name invalid           |        |
| 512        | Token description invalid       |        |
| 513        | Symbol invalid                  |        |
| 514        | Comment invalid                 |        |
| 515        | Transaction id invalid          |        |
| 516        | Date invalid                    |        |
| 517        | Meta data invalid               |        |
| 518        | Order invalid                   |        |
| 519        | Batch count not match           |        |
| 520        | Decimal point invalid           |        |


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# Agent Instructions: Querying This Documentation

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```
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```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.