Error 0x80071756

Value: -2147018922 | 0x80071756 | 2147948374

What does it mean ?

ERROR_CLUSTER_UPGRADE_FIX_QUORUM_NOT_SUPPORTED  
// Updating the cluster functional level failed because the cluster is running in fix quorum mode. // Start additional nodes which are members of the cluster until the cluster reaches quorum and the cluster will automatically // switch out of fix quorum mode, or stop and restart the cluster without the FixQuorum switch. Once the cluster is out // of fix quorum mode retry the Update-ClusterFunctionalLevel PowerShell cmdlet to update the cluster functional level.
Value: 5974 | 0x1756 | 0b0001011101010110

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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