PinnedDock not working properly after restoring layout

[linxi-github]

After pinning the window, save the layout, and then restore the layout. The original pinned window cannot be operated. Please watch the video. Thanks for your help！

saveLayout.mp4

[IldarKhayrutdinov]

I have this problem too

[boonkerz]

I have the same issue Debug Output:

[Binding]An error occurred binding 'IsVisible' to '!!LeftPinnedDockables.Count' at 'LeftPinnedDockables': 'Value is null.' (ToolPinnedControl #19967814)
[Binding]An error occurred binding 'IsVisible' to '!!RightPinnedDockables.Count' at 'RightPinnedDockables': 'Value is null.' (ToolPinnedControl #45492604)
[Binding]An error occurred binding 'IsVisible' to '!!TopPinnedDockables.Count' at 'TopPinnedDockables': 'Value is null.' (ToolPinnedControl #6780253)
[Binding]An error occurred binding 'IsVisible' to '!!BottomPinnedDockables.Count' at 'BottomPinnedDockables': 'Value is null.' (ToolPinnedControl #61022284)
[Binding]An error occurred binding 'IsVisible' to '!!LeftPinnedDockables.Count' at 'LeftPinnedDockables': 'Value is null.' (ToolPinnedControl #38524289)
[Binding]An error occurred binding 'IsVisible' to '!!RightPinnedDockables.Count' at 'RightPinnedDockables': 'Value is null.' (ToolPinnedControl #11174282)
[Binding]An error occurred binding 'IsVisible' to '!!TopPinnedDockables.Count' at 'TopPinnedDockables': 'Value is null.' (ToolPinnedControl #33459681)
[Binding]An error occurred binding 'IsVisible' to '!!BottomPinnedDockables.Count' at 'BottomPinnedDockables': 'Value is null.' (ToolPinnedControl #32701678)
[Binding]An error occurred binding 'PinnedDockAlignment' to 'PinnedDock.Alignment' at 'PinnedDock': 'Value is null.' (PinnedDockControl #45634724)
[Binding]An error occurred binding 'IsVisible' to '!PinnedDock.IsEmpty' at 'PinnedDock': 'Value is null.' (Grid #PART_PinnedDockGrid)
[Binding]An error occurred binding 'PinnedDockAlignment' to 'PinnedDock.Alignment' at 'PinnedDock': 'Value is null.' (PinnedDockControl #30046694)
[Binding]An error occurred binding 'IsVisible' to '!PinnedDock.IsEmpty' at 'PinnedDock': 'Value is null.' (Grid #PART_PinnedDockGrid)
Started Thread 40912
[Binding]An error occurred binding 'Command' to 'Owner.Factory.CloseDockable()' at 'Owner': 'Value is null.' (Button #PART_CloseButton)

[orangebobolink]

Has anyone been able to solve this problem?

[orangebobolink]

I solved this problem by changing the attribute for Owner from [JsonIgnore] to [DataMember(IsRequired = false, EmitDefaultValue = true)]. There is a new bug with Preview pined dock but I just copy RootDock, hide preview and save copied RootDock