L3VPN MVPN static tree-sid policy creation failing from CNC (prov-ui): L3VPN MVPN static tree-sid policy creation failing from CNC -UI giving these errors at different time please find attached Payload json file 
 Hello, Can you please let us know:If there is a BGP device already present?If yes, what is BGP AS number?Regards,Janaki DuggiralaHi Janaki,The BGP AS number in our devices are 100.router bgp 100Thanks,NaveenHello Naveen, in that case we recommend the payload should be changed from 1 to 100 for the local-as.please let us know if this helps.Updated the Payload local-as form 1 to 100 its still throwing this error Please provide setup info.NSO setup : nso/Vtsisco@123!Hello, we restarted NSO on your VM using command below:nso@nso-virtual-machine:~$ sudo service ncs restartThe error is no longer being seen.Please proceed with your testing.Regards,Janaki Duggiralawhat is the reason for the error ? and do we need to restart NSO each time ?thanks Janaki , the previous error not coming now be device Sync error are coming frequently even after doing check-sync what is the reason for the error ? the python VM seemed to be not running properly.and do we need to restart NSO each time ?if you see this specific error, we would recommend restarting the NSOWith the sync-from issue, can you check device connectivity on your end? is the device info on NSO correct? you can perform fetch-host-keys again as well..Hello, Please confirm if all issues are addressed and if we may close this ticket?Regards,Janaki DuggiralaClosing ticket since no further response has been received from customer.To assist with this issue,we restarted NSO on the VM using command below: nso@nso-virtual-machine:~$ sudo service ncs restart