Virtual Agent not starting and showing a blank screenDescriptionVirtual agent is not working. The dialogue window does not load for end users or to preview a topic. Navigating directly to /$sn-va-web-client-app.do also does not work.Release or EnvironmentAll supported releases.CauseCheck for the system property - com.glide.cs.va.sys_user Ensure that the value does not hold any sys_id.ResolutionIf there is any value, clear it, and then save the system property. Do a cache.do Launch the virtual agent again from portal and check if the topic are now loading.Additional InformationYou can also check the system logs for the below error: Streaming error: com.glide.rest.util.RESTRuntimeException: Streaming error: com.glide.rest.serializer.impl.ResponseSerializerImpl.serializeStream(ResponseSerializerImpl.java:137)com.glide.rest.handler.impl.ServiceResultHandlerImpl.serialize(ServiceResultHandlerImpl.java:128)com.glide.rest.handler.impl.ServiceResultHandlerImpl.processServiceResultBody(ServiceResultHandlerImpl.java:96)com.glide.rest.handler.impl.ServiceResultHandlerImpl.processServiceResult(ServiceResultHandlerImpl.java:40)com.glide.rest.processors.RESTAPIProcessor.process(RESTAPIProcessor.java:290)com.glide.processors.AProcessor.runProcessor(AProcessor.java:553)com.glide.processors.AProcessor.processTransaction(AProcessor.java:241)com.glide.processors.ProcessorRegistry.process0(ProcessorRegistry.java:177)com.glide.processors.ProcessorRegistry.process(ProcessorRegistry.java:166)com.glide.ui.GlideServletTransaction.process(GlideServletTransaction.java:31)com.glide.sys.Transaction.run(Transaction.java:2218)java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)java.lang.Thread.run(Thread.java:748)