# InvalidPropertyAccessException Constructor

## Overloads

| [InvalidPropertyAccessException(String, Type, Type)](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.InvalidPropertyAccessException.-ctor.htm#Qlik_Engine_InvalidPropertyAccessException__ctor_System_String_System_Type_System_Type_) |  | Create a new instance of the exception. |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.InvalidPropertyAccessException.-ctor.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.InvalidPropertyAccessException.-ctor.htm)

## InvalidPropertyAccessException(String, Type, Type)

Create a new instance of the exception.

### Declaration

```

          public InvalidPropertyAccessException(string propertyName, Type oType, Type tType)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.String | propertyName | The name of the property being accessed. |
| System.Type | oType | The type used for accessing the property. |
| System.Type | tType | The type previously used for accessing the property. |