URI keypath not found error on l2vpn service

[bhararor]

Hello Sir,

I am facing an issue with l2vpn service getting URI not found error .

"ietf-restconf:errors": {

"error": [

 {

"error-type": "application",

 "error-tag": "invalid-value",

 "error-message": "uri keypath not found"

using: https://..../..../proxy/nso/restconf/data/ietf-l2vpn-ntw:l2vpn-ntw/vpn-services/GigabitEthernet=0%2F0

also tried with https://..../..../proxy/nso/restconf/data/ietf-l2vpn-ntw:l2vpn-ntw/vpn-services/

In postman I get the same error and code too.

We are using this on 5.0 .

But earlier ,Same worked on 4.5.

Please guide me on this.I am stuck.