Can't launch Launchbox / Big Box (metadata broken?)

Now, giving me this, and can’t open Launchbox and also Bigbox.

Since it says my meta xml seems to be damaged, is there a way to restore things?

I have several backups while to use them I believe launchbox needs to atleast boot up….

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Metadata.xmlファイルが破損しています。 LaunchBoxを閉じて再起動してください。

App: LaunchBox
Version: 11.7
Type: System.Exception
Site: System.Data.DataSet get_PlatformsDataSet()
Source: Unbroken.LaunchBox

at Unbroken.LaunchBox.Search.LocalDb.get_PlatformsDataSet()
at Fiq0bcsbNFU2BK9jBT.irO6Txpny(Fiq0bcsbNFU2BK9jBT )
at Unbroken.LaunchBox.Search.LocalDb.GetPlatforms()
at GsXK0t6rHrWr7PPcYtC.irO6Txpny(GsXK0t6rHrWr7PPcYtC )
at Unbroken.LaunchBox.Search.LocalDb.GetValidPlatformName(String name, Boolean officialOnly)
at Ji3w0m6sPS8qmou67kA.irO6Txpny(String name, Boolean officialOnly, Ji3w0m6sPS8qmou67kA )
at Unbroken.LaunchBox.Search.LocalDb.GetPlatform(String name)
at Unbroken.LaunchBox.Windows.Data.Platform.get_Category()
at Unbroken.LaunchBox.Windows.Data.DataManager.AddMissingPlatforms(Boolean populateLocalDbFields)
at Unbroken.LaunchBox.Windows.Data.DataManager.fFLiAr4ov9(String )
at vf6nwHQrBARZiA1NcFN.tAjWafTZE(Object , String value, vf6nwHQrBARZiA1NcFN )
at Unbroken.LaunchBox.Windows.Data.DataManager.<>c__DisplayClass174_0.rkqgd5G7W7B()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()

Recent Log:

17:09:28 Exception

Metadata.xmlファイルが破損しています。 LaunchBoxを閉じて再起動してください。

App: Big Box
Version: 11.7
Type: System.Exception
Site: System.Data.DataSet get_PlatformsDataSet()
Source: Unbroken.LaunchBox

at Unbroken.LaunchBox.Search.LocalDb.get_PlatformsDataSet()
at Fiq0bcsbNFU2BK9jBT.irO6Txpny(Fiq0bcsbNFU2BK9jBT )
at Unbroken.LaunchBox.Search.LocalDb.GetPlatforms()
at Unbroken.LaunchBox.Windows.BigBox.App..ctor()
at Unbroken.LaunchBox.Windows.BigBox.BigBoxProgram.Main()

Recent Log:

17:15:14 Exception

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Any suggestion very appriciated……

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