Question 2 Replies 223 Views × Close popover jiawei zou (JiaweiZou) Cognizant Cognizant CN View Profile Send Message JiaweiZou Member since 2015 5 posts Cognizant Posted: August 4, 2017 Last activity: September 28, 2017 Posted: 4 Aug 2017 4:08 EDT Last activity: 28 Sep 2017 4:36 EDT Closed No Primary Page when an activity is called by an agent when an activity using primary page is called by an agent, NullPointException is throwed. after trace the activity, i found that primary page is not exist. if somebody know why, please explain for me. Thank you very much. P.S. my PEGA version is 7.1.9 Data Integration Java and Activities × 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: 3 years ago Posted: 4 Aug 2017 4:20 EDT × Close popover Kautuk Shet (KAUTUKSHET) Cognizant Technology Solutions Consultant - CRM Cognizant Technology Solutions GB View Profile Send Message KAUTUKSHET Cognizant Technology Solutions replied to JiaweiZou Hi, Can you check if you can create the page before calling the activity, that way you will have the step page created. Other thing that you need to check is, the class of the step page and the Applies to class of the called activity. Posted: 3 years ago Posted: 28 Sep 2017 4:36 EDT × Close popover Rachit Agarwal (Rachit_Agarwal) PEGA Senior Technical Solutions Engineer Pegasystems Inc. IN View Profile Send Message Rachit_Agarwal PEGA replied to JiaweiZou Hello, Can you also check by running the activity alone that the Primary Page is coming as null or not. If yes you can create a page and give that page in the activity. That way you will not get NullPointerException.