remove malformed style.
MODIFY
WalletWasabi.Gui/Controls/TogglePasswordBox.xaml
WalletWasabi.Gui/Controls/TogglePasswordBox.xaml
<Style Selector="controls|TogglePasswordBox:focus /template/ Border#border">
<Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderHighBrush}" />
</Style>
- <Style Selector="controls|TogglePasswordBox:error /template/ Border#border">
+ <!--<Style Selector="controls|TogglePasswordBox:error /template/ Border#border">
<Setter Property="BorderBrush" Value="{Binding $parent[controls|TogglePasswordBox].(DataValidationErrors.Errors), Converter={StaticResource ErrorDescriptorToBorderColorConverter}}" />
- </Style>
+ </Style>-->
<Style Selector="controls|TogglePasswordBox">
<Setter Property="Cursor" Value="IBeam" />
</Style>

remove malformed style.