没有任何更多信息，该错误就很明显.您正在尝试获取名为 navigation 的内容属性.但是，在这种情况下，它是未定义的或不可访问的.

Without any futher informations, the error is clear. You're trying to get a property of your content called navigation. But, in this context, it's not defined or not accessible.

要获取属性的内容，请确保在您的内容中清楚地定义了该属性，并且可以在函数内部对其进行访问.
然后，您应该可以使用与您的财产相关的函数 navigate('LoginScreen').

To get the content of your property, make sure it's defined clearly in your content and accessible inside of your function .
Then you should be able to use the function navigate('LoginScreen') related to your property.