Issue Description

Find out some module button like [Add] , [Delete] disappear from the WebUI.Below are some example of the issue:
1.Path: Sangfor VPN > Local User

2.Path: Sangfor VPN > VPN Connection

3.Path: Sangfor VPN > Local Subnet

Handling Process

1.Find out the device have join the BBC.

Path: System > Central Management
2.After removed from the BBC (“dlanrecover” is the default password), the problem is resolved.

PS: Remove device from BBC will restart the Services

Solution

Remove device from BBC.

Result:
Local User

VPN Connections

Local Subnet