Virtual Agent window is blankIssue <!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } span { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } h2 { font-size: 24pt; font-family: Lato; color: var(--now-color--text-primary, black); } h3 { font-size: 18pt; font-family: Lato; color: var(--now-color--text-primary, black); } h4 { font-size: 14pt; font-family: Lato; color: var(--now-color--text-primary, black); } a { font-size: 12pt; font-family: Lato; color: var(--now-color--link-primary, #00718F); } a:hover { font-size: 12pt; color: var(--now-color--link-primary, #024F69); } a:target { font-size: 12pt; color: var(--now-color--link-primary, #032D42); } a:visited { font-size: 12pt; color: var(--now-color--link-primary, #00718f); } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } When opened the Virtual agent floating window in the Service portal, the windows are blank. Below are the error seen in logs: 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) #109651 [REST API] RESTAPIProcessor : Handling exception Streaming error#109651 [REST API] RESTAPIProcessor : Unknown exception RESTRuntimeException:Streaming errorDetail: No serializer found for class com.glide.db.datamodel.ShortTableName and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: com.glide.cs.qlue.dto.SessionResponseV2Dto["brandingSettings"]->com.glide.cs.qlue.module.adminconsole.BrandingSettings["virtualAgentUser"]->com.glide.sys.User["companyRecord"]->com.glide.script.GlideRecord["tableDescriptor"]->com.glide.db.TableDescriptor["schemaList"]->java.util.ArrayList[0]->com.glide.db.ElementDescriptor["shortTableName"])#109651 [REST API] ResponseSerializer : Streaming exception (won't rethrow): write beyond end of stream Release<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } span { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } h2 { font-size: 24pt; font-family: Lato; color: var(--now-color--text-primary, black); } h3 { font-size: 18pt; font-family: Lato; color: var(--now-color--text-primary, black); } h4 { font-size: 14pt; font-family: Lato; color: var(--now-color--text-primary, black); } a { font-size: 12pt; font-family: Lato; color: var(--now-color--link-primary, #00718F); } a:hover { font-size: 12pt; color: var(--now-color--link-primary, #024F69); } a:target { font-size: 12pt; color: var(--now-color--link-primary, #032D42); } a:visited { font-size: 12pt; color: var(--now-color--link-primary, #00718f); } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } All Releases Cause<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } span { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } h2 { font-size: 24pt; font-family: Lato; color: var(--now-color--text-primary, black); } h3 { font-size: 18pt; font-family: Lato; color: var(--now-color--text-primary, black); } h4 { font-size: 14pt; font-family: Lato; color: var(--now-color--text-primary, black); } a { font-size: 12pt; font-family: Lato; color: var(--now-color--link-primary, #00718F); } a:hover { font-size: 12pt; color: var(--now-color--link-primary, #024F69); } a:target { font-size: 12pt; color: var(--now-color--link-primary, #032D42); } a:visited { font-size: 12pt; color: var(--now-color--link-primary, #00718f); } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } Below are some of the things that can be checked: Check if the "sys_id" of "Virtual Agent User" is present in "com.glide.cs.va.sys_user" system property.If the property is set with the correct value, the issue could be due to the profile of "Virtual Agent User".Compare it with OOB and remove data from fields that don't have data in OOB.The issue could also cause due to the "Company" field, set in the profile. Resolution<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } span { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } h2 { font-size: 24pt; font-family: Lato; color: var(--now-color--text-primary, black); } h3 { font-size: 18pt; font-family: Lato; color: var(--now-color--text-primary, black); } h4 { font-size: 14pt; font-family: Lato; color: var(--now-color--text-primary, black); } a { font-size: 12pt; font-family: Lato; color: var(--now-color--link-primary, #00718F); } a:hover { font-size: 12pt; color: var(--now-color--link-primary, #024F69); } a:target { font-size: 12pt; color: var(--now-color--link-primary, #032D42); } a:visited { font-size: 12pt; color: var(--now-color--link-primary, #00718f); } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } Above provided causes, take the relevant action: Add "sys_id" of "Virtual Agent User" user in "com.glide.cs.va.sys_user" system property.Revert the "Virtual Agent User" profile to OOB.