Question1Replies215Views ManindraReddy Member since 2015 17 posts Tata Consultancy Services Posted: April 29, 2019Last activity: April 29, 2019 Closed Unable to create segments in applicationThe reference .SubjectClasses().IsPrimary is not valid. Reason: Empty subscripts are not valid for the element : SubjectClassesGetting the above exception when trying to create a audience segment for a campaign Pega Marketing ×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: 1 year agoshanr2 PEGA replied to ManindraReddyPlease make sure you have the context dictionary properly configured and saved.