Question1Replies147Views PremkumarG Member since 2013 20 posts cognizant Posted: 2 years agoLast activity: 2 years 5 months ago Closed Thread not switching on clicking new tabsHi All,We are upgrading our environment from 7.2.1 to 7.3.0Issue:In my user portal customer 360, we have 3 tabs.When I click the second tab and then i go to 3rd tab, thread switch is not happening.This leads to cannot render section error. I found the issue is only because thread switch is not happening.Attached screenshots1) 7.3.0 environment issue2) 7.2.1 no issue3) Alert message on tracerIts urgent. can someone share your views on itI User Interface Low-Code App Development Upgrades ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Posted: 2 years agoinakh PEGA replied to PremkumarGHi PremKumar, According the alert message observed in the tracer, it is related to unexpected properties in HTTP request. Please refer to the PDN articles below which explains why is that alert generated with root cause: https://pdn.pega.com/understanding-secu0001-alert-unexpected-properties… https://pdn.pega.com/community/product-support/question/secu0001-alert-… In your case it is Declare_pyDisplay.pyDCDisplayStae.pyActiveDocumentType Parameter that might be causing the issue as mentioned above.