got this and can not launch
Unhandled exception. System.InvalidOperationException: Default font family name can't be null or empty.
at Avalonia.Media.FontManager..ctor(IFontManagerImpl platformImpl) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/FontManager.cs:line 28
at Avalonia.Media.FontManager.get_Current() in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/FontManager.cs:line 48
at Avalonia.Media.TextFormatting.TextCharacters.TryGetRunProperties(ReadOnlySlice`1 text, Typeface typeface, Typeface defaultTypeface, Int32& count) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextCharacters.cs:line 138
at Avalonia.Media.TextFormatting.TextCharacters.CreateShapeableRun(ReadOnlySlice`1 text, TextRunProperties defaultProperties) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextCharacters.cs:line 70
at Avalonia.Media.TextFormatting.TextCharacters.GetShapeableCharacters() in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextCharacters.cs:line 48
at Avalonia.Media.TextFormatting.TextFormatterImpl.FetchTextRuns(ITextSource textSource, Int32 firstTextSourceIndex, TextLineBreak previousLineBreak, TextLineBreak& nextLineBreak) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextFormatterImpl.cs:line 341
at Avalonia.Media.TextFormatting.TextFormatterImpl.FormatLine(ITextSource textSource, Int32 firstTextSourceIndex, Double paragraphWidth, TextParagraphProperties paragraphProperties, TextLineBreak previousLineBreak) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextFormatterImpl.cs:line 15
at Avalonia.Media.TextFormatting.TextLayout.UpdateLayout() in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextLayout.cs:line 365
at Avalonia.Media.TextFormatting.TextLayout..ctor(String text, Typeface typeface, Double fontSize, IBrush foreground, TextAlignment textAlignment, TextWrapping textWrapping, TextTrimming textTrimming, TextDecorationCollection textDecorations, Double maxWidth, Double maxHeight, Double lineHeight, Int32 maxLines, IReadOnlyList`1 textStyleOverrides) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Visuals/Media/TextFormatting/TextLayout.cs:line 71
at Avalonia.Controls.TextBlock.CreateTextLayout(Size constraint, String text) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/TextBlock.cs:line 454
at Avalonia.Controls.Primitives.AccessText.CreateTextLayout(Size constraint, String text) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Primitives/AccessText.cs:line 82
at Avalonia.Controls.TextBlock.get_TextLayout() in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/TextBlock.cs:line 166
at Avalonia.Controls.TextBlock.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/TextBlock.cs:line 500
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding, Thickness borderThickness) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 39
at Avalonia.Controls.Presenters.ContentPresenter.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Presenters/ContentPresenter.cs:line 366
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Controls.Grid.MeasureOverride(Size constraint) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 230
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding, Thickness borderThickness) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 39
at Avalonia.Controls.Border.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Border.cs:line 121
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.Layoutable.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 625
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Controls.StackPanel.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/StackPanel.cs:line 207
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Controls.Presenters.ItemVirtualizer.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Presenters/ItemVirtualizer.cs:line 221
at Avalonia.Controls.Presenters.ItemsPresenter.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Presenters/ItemsPresenter.cs:line 139
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding, Thickness borderThickness) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 39
at Avalonia.Controls.Border.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Border.cs:line 121
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.Layoutable.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 625
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding, Thickness borderThickness) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 39
at Avalonia.Controls.Presenters.ContentPresenter.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Presenters/ContentPresenter.cs:line 366
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.Layoutable.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 625
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Lunacy.Controls.Lazy.MeasureOverride(Size availableSize) in /builds/lunacy/lunacy/Lunacy/Lunacy.Avalonia/Controls/Lazy.cs:line 233
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 1150
at Avalonia.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV, Boolean& hasDesiredSizeUChanged) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 1005
at Avalonia.Controls.Grid.MeasureOverride(Size constraint) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 436
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 1150
at Avalonia.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV, Boolean& hasDesiredSizeUChanged) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 1005
at Avalonia.Controls.Grid.MeasureOverride(Size constraint) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Grid.cs:line 438
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding, Thickness borderThickness) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 39
at Avalonia.Controls.Presenters.ContentPresenter.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Presenters/ContentPresenter.cs:line 366
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutHelper.MeasureChild(ILayoutable control, Size availableSize, Thickness padding) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutHelper.cs:line 46
at Avalonia.Controls.Primitives.VisualLayerManager.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Primitives/VisualLayerManager.cs:line 133
at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 559
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.Layoutable.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 625
at Avalonia.Controls.Window.MeasureOverride(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Window.cs:line 888
at Avalonia.Controls.WindowBase.MeasureCore(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/WindowBase.cs:line 237
at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/Layoutable.cs:line 364
at Avalonia.Layout.LayoutManager.Measure(ILayoutable control) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutManager.cs:line 287
at Avalonia.Layout.LayoutManager.ExecuteInitialLayoutPass() in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Layout/LayoutManager.cs:line 174
at Avalonia.Controls.Window.ShowCore(Window parent) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Window.cs:line 688
at Avalonia.Controls.Window.Show() in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/Window.cs:line 626
at Avalonia.Controls.ApplicationLifetimes.ClassicDesktopStyleApplicationLifetime.Start(String[] args) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 125
at Avalonia.ClassicDesktopStyleApplicationLifetimeExtensions.StartWithClassicDesktopLifetime[T](T builder, String[] args, ShutdownMode shutdownMode) in /Users/tibring/builds/s1x4wF2K/0/lunacy/Avalonia/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 175
at Lunacy.Program.Main(String[] args) in /builds/lunacy/lunacy/Lunacy/Lunacy.Avalonia/Program.cs:line 46
fish: Job 1, 'lunacy' terminated by signal SIGABRT (Abort)