Now Assist in Virtual Agent or Virutal Agent is not loading in Service PortalIssue The Now Assist Virtual Agent (NAVA) or Virtual Agent in general is not loading in Service Portal and eventually shows a message "Unable to load" There is a 500 Internal Server error observed in the browser console from the /api/now/v2/cs/session endpoint { "error": { "message": "Exception while executing request: java.lang.StackOverflowError", "detail": "java.lang.StackOverflowError Check logs for error trace or enable glide.rest.debug property to verify REST request processing" }, "status": "failure", "session": { "notifications": [] } }ReleaseAllCauseThe OOB records sys_cs_live_agent_setup (Sys ID: f0acbc4c5f091300e6333654de7313c8) and sys_cs_branding_setup (Sys ID: f49ab669531333009686ddeeff7b127d) were removed from the instance. This caused the branding settings generator to enter an infinite loop, eventually throwing a StackOverflowError and preventing session creation.ResolutionRepair the the following plugins and see it if restores the OOB records Live Agent Conversation Settings (com.glide.cs.live_agent_settings)Conversation Branding Settings (com.glide.cs.branding) If the above doesn't restore the record, import them from another available instances.