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| title: Basic Data Management |
| sidebar_position: 8 |
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| The data source management page can manage data such as user tokens, error codes, extended resources, and engine materials. |
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| ## 1. Token Management |
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| It is used to manage Token information of each application. |
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| ## 2. Error code management |
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| ### 2.1 List of error codes |
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| List error code information, you can query by error code or error description. |
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| ### 2.1 Common error code problem solving |
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| [common error codes and how to deal with them](../../tuning-and-troubleshooting/error-guide/error-code.md) |
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| ## 3. Extended resource management |
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| Used to manage extended resources, such as yarn link url, etc. |
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| ## 4. Engine material management |
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| Used to manage Linkis engine materials, including creation, update and deletion of engine plugins. |
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