# McpProvider.HEADER_MISMATCH_ERROR

Kind: Field  
Namespace: `Sisk.ModelContextProtocol`  
Assembly: `Sisk.ModelContextProtocol.dll`  
Source: https://docs.sisk-framework.org/api/Sisk.ModelContextProtocol.McpProvider.HEADER_MISMATCH_ERROR.html

## HEADER_MISMATCH_ERROR {#Sisk_ModelContextProtocol_McpProvider_HEADER_MISMATCH_ERROR}

Represents the error code for missing or mismatched HTTP metadata headers.

```csharp
public const int HEADER_MISMATCH_ERROR = -32020
```

### Field Value

[int](https://learn.microsoft.com/dotnet/api/system.int32)