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# Error Handling and Standard Error Codes

The following standard error codes are used across the Custom Provider interface and may be returned by any method, depending on the request and provider-side execution outcome.

### **Standard error response format**

```json5
{
  "error": {
    "code": 1,
    "message": "Initialization failed"
  }
}
```

### **Standard error codes**

<table data-header-hidden="false" data-header-sticky><thead><tr><th>Code</th><th>Meaning</th><th>Typical usage</th></tr></thead><tbody><tr><td>1</td><td>General error</td><td>General provider-side failure when no more specific code applies</td></tr><tr><td>-32700</td><td>Failed to parse the request</td><td>Invalid JSON or malformed request payload</td></tr><tr><td>-32601</td><td>Method is not implemented</td><td>Requested method is not supported by the connector</td></tr><tr><td>-32602</td><td>Invalid method parameters</td><td>Missing required parameters or invalid parameter values</td></tr><tr><td>-32603</td><td>Internal error</td><td>Unexpected internal processing error</td></tr></tbody></table>


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