SCW backup sometimes fails by "Failed to enumerate the disks." in WSFC

• SnapCenter Server
• SnapCenter Plug-in for Microsoft Windows(SCW)
• Windows Server Failover Clustering(WSFC)

• SCW backup fails sometimes by "Failed to enumerate the disks."

• SCWDebug.log shows accessPath is not found in fileSystemList

Verbose SDW PID=[PID] TID=[TID] GetHostFileSystem: accessPath '<PATH>' is not found in fileSystemList
Verbose SDW PID=[PID] TID=[TID] GetHostFileSystem: Return '0' fileSystems
Verbose SDW PID=[PID] TID=[TID] --HostDiscoveryManager::GetHostFileSystem
Error SDW PID=[PID] TID=[TID] Failed to get resource object graphs for host resources using SMAPI. Error code: 0. Details: Failed to enumerate the disks. 

Error SDW PID=[PID] TID=[TID] Failed to enumerate the disks.   at SnapDrive.Nsf.Core.ResourceGraphHelper.GetResourceStorageObjectGraphsFromMounts(List`1 mounts)

Error SDW PID=[PID] TID=[TID] Failed to enumerate the disks.​​​​​​