Restconf returns "Request could not be completed because the relevant data model content does not exist network-topology:network-topology/topology/topology-netconf/node/{device-name}/yang-ext:mount/Cisco-IOS-XR-mpls-te-oper:mpls-te/tunnel-current-lsp/s2l/resv-rro"

container tunnel-current-lsp {
    description "xxxx";
    list s2l {
       description  "xxx";
       list resv-rro {              
         description "yyy";              
          leaf xyz

       }
    }

}

When unkeyed and operational list is present in device yang , we were unable to fetch that particular list.