No property, bindable property, or event found for 'Content', or mismatching type between value and property.

[Jkinley01]

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No property, bindable property, or event found for 'Content', or mismatching type between value and property LoadingPopup.xaml

Came back to a project after several months, updated Visual Studio 2019, the Rg.Plugins.Popup and Xamarin.Forms Nuget packages, tried to build and got the error above. Full page XAML below:

<?xml version="1.0" encoding="UTF-8"?>
<pages:PopupPage
             xmlns="http://xamarin.com/schemas/2014/forms" 
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="ScoreboardTestApp.LoadingPopup"
             xmlns:animations="clr-namespace:Rg.Plugins.Popup.Animations;assembly=Rg.Plugins.Popup"
             xmlns:pages="clr-namespace:Rg.Plugins.Popup.Pages;assembly=Rg.Plugins.Popup"
             xmlns:forms="clr-namespace:Lottie.Forms;assembly=Lottie.Forms">
    x:Class="ScoreboardTestApp.LoadingPopup"
    <pages:PopupPage.Animation>
        <animations:ScaleAnimation DurationIn="400"
                                   DurationOut="300"
                                   EasingIn="SinOut"
                                   EasingOut="SinIn"
                                   HasBackgroundAnimation="True"
                                   PositionIn="Center"
                                   PositionOut="Center"
                                   ScaleIn="1.2"
                                   ScaleOut="0.8" />
    </pages:PopupPage.Animation>

    <forms:AnimationView x:Name="AnimationView"
                         Animation="glow_loading.json"
                         Loop="True"
                         AutoPlay="True"
                         VerticalOptions="FillAndExpand"
                         HorizontalOptions="FillAndExpand" />

</pages:PopupPage>

[rotorgames]

@Jkinley01 Could you give me a stack trace?