本规范中的错误是什么？,我有例外:

无法解析Element上的名称

我尝试使用行为进行验证,在逻辑代码正确之前尝试此操作

//我有一个名为BooleanToObjectConverter的类

        <local:BooleanToObjectConverter x:Key="boolToStyleImage"                                               x:TypeArguments="Style">

            <local:BooleanToObjectConverter.FalseObject>
                <Style TargetType="Image">
                    <Setter Property="HeightRequest" Value="20" />
                    <Setter Property="Source" Value="{local:ImageResource MVVM_Demo_And_Service.Images.error.png}" />
                </Style>
            </local:BooleanToObjectConverter.FalseObject>

            <local:BooleanToObjectConverter.TrueObject>
                <Style TargetType="Image">
                    <Setter Property="HeightRequest" Value="20" />
                    <Setter Property="Source" Value="{local:ImageResource MVVM_Demo_And_Service.Images.success.png}" />
                </Style>
            </local:BooleanToObjectConverter.TrueObject>
        </local:BooleanToObjectConverter>

        <Style x:Key="baseStyle"
         TargetType="Label">
            <Setter Property="FontSize" Value="Micro" />
            <Setter Property="FontAttributes" Value="Italic" />
        </Style>
        <local:BooleanToObjectConverter x:Key="boolToStyleName"
                                       x:TypeArguments="Style">
            <local:BooleanToObjectConverter.FalseObject>
                <Style TargetType="Label" BasedOn="{StaticResource baseStyle}">
                    <Setter Property="TextColor" Value="#F44336" />
                    <Setter Property="Text" Value="Enter your Name " />
                </Style>
            </local:BooleanToObjectConverter.FalseObject>

            <local:BooleanToObjectConverter.TrueObject>
                <Style TargetType="Label" BasedOn="{StaticResource baseStyle}">
                    <Setter Property="TextColor" Value="#4CAF50" />
                    <Setter Property="Text" …