Change the Set up your trigger query to Routing Neighbors from Nodes then just paste in everything after the From statement so just
JOIN NPM_RoutingProtocol on NPM_RoutingNeighbor_V.ProtocolID = NPM_RoutingProtocol.ProtocolID
WHERE NPM_RoutingNeighbor_V.ProtocolID = 14 AND NPM_RoutingNeighbor_V.DisplayName <> 'Established'