Why biztalk group showing this error while oppening it in Biztalk server administration console

TITLE: BizTalk Server Administration
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Failed to load Group [WSSYS69\SQL2K8R2EXPRESS:BizTalkMgmtDb] data providers. (Microsoft.BizTalk.Administration.SnapIn)

For help, click: http://go.microsoft.com/fwlink/?LinkId=47400&ProdName=Microsoft+BizTalk+Server+2010&ProdVer=3.9.469.0&EvtSrc=Microsoft.BizTalk.Administration.SnapIn.Properties.Errors&EvtID=FailedLoadingGroupProviders&EvtChain=Microsoft.BizTalk.Administration.SnapIn.Properties.Errors+%2cFailedLoadingGroupProviders

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ADDITIONAL INFORMATION:

Failed to load Group [WSSYS69\SQL2K8R2EXPRESS:BizTalkMgmtDb] data providers. (Microsoft.BizTalk.Administration.SnapIn)

For help, click: http://go.microsoft.com/fwlink/?LinkId=47400&ProdName=Microsoft+BizTalk+Server+2010&ProdVer=3.9.469.0&EvtSrc=Microsoft.BizTalk.Administration.SnapIn.Properties.Errors&EvtID=FailedLoadingGroupProviders

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Instance of the WMI class is not found.
Syntax error or access violation (WinMgmt)

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BUTTONS:

OK
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