Cisco Secure ACS Appliance - Failed to edit ....Reason: The Host no longer exists.

Hi  Team ,
I have 2 Appliance from which I am not  able to remove a particuler device from Network Device Group  .
When I try to remove the the device following error is thrown
Failed to edit INMUM-VPE-T1-3rdFloor-3750-S....  Reason: The Host no longer exists.
Appliance is running on Version :  Cisco Secure ACS4.2.0.124
Could any one come across Such issues  . any one knows the solution .
Regards
Vineeth

Hello Vineeth
yes, you are can do through GUI.
On GUI :
1. ACS gui > network configuration > click "search" and click "search" again.
2. Complete list of all network device will appear. On top, you will see an option to "download".
Download the complete file.
Let me know if it helps.
thanks
Devashree Saha

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