Virtual Agent invokes fallback topic even successful training and publishing of the installed NLU modelIssue Virtual Agent invokes fallback topic even successful training and publishing of the installed NLU model from repositoryCauseThe issue was with the NLU service not being enabled in Virtual Agent.ResolutionFollow the steps below to enable the NLU service in Virtual Agent settings to fix the issue. From Navigator, Virtual Agent ➔ ConfigurationGo to NLU Settings tabEnable 'Enable NLU in Virtual Agent'Set the NLU Service Provider as 'ServiceNow NLU'Click 'Save'