Question 1 Replies 177 Views × Close popover Premkumar Ganesan (PremkumarG) cognizant cognizant NL View Profile Send Message PremkumarG Member since 2013 20 posts cognizant Posted: May 9, 2018 Last activity: May 9, 2018 Posted: 9 May 2018 3:01 EDT Last activity: 9 May 2018 8:39 EDT Closed Thread not switching on clicking new tabs Hi All, We are upgrading our environment from 7.2.1 to 7.3.0 Issue: 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 screenshots 1) 7.3.0 environment issue 2) 7.2.1 no issue 3) Alert message on tracer Its urgent. can someone share your views on it I User Experience System Administration Upgrades × Close popover Facebook Twitter Linkedin Email Copy Link Copied! Moderation Team has archived post, learn more × Close popover 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 ago Posted: 9 May 2018 8:39 EDT × Close popover Hemanth Inakollu (inakh) PEGA Associate Technical Solutions Engineer Pegasystems Inc. IN View Profile Send Message inakh PEGA replied to PremkumarG Hi 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-received-http-request https://pdn.pega.com/community/product-support/question/secu0001-alert-unexpected-properties-received-http-request-0 In your case it is Declare_pyDisplay.pyDCDisplayStae.pyActiveDocumentType Parameter that might be causing the issue as mentioned above.