Discussion2Replies7413Views AmirM129 Member since 2013 10 posts American Express Posted: 4 years agoLast activity: 4 years 6 months ago Closed Exercise: Adding Default Data Transforms (: Invalid expression or reference: List/group error)In the Exercise: Adding Default Data Transforms, Step 7 says. 7. Specify an action to Set the Target .Employee.pyLabel equal to “ “, and then click Save. When I click on SAVE it shows me the following error:This record has 1 Error in 1 place Target: Invalid expression or reference: List/group property reference Employee is missing a valid subscript value and cannot reference an embedded property.The SAE-HRServices-Work has the following properties where Employee class is defined as Page List. Should it be Page?Property records in HR Services (Work Pool)APPLIES TOPROPERTY NAMELABELMODESTRING TYPERULESETVERSIONSAE-HRServices-WorkAssetListAssetListPage ListTextHRServices01-01-01 SAE-HRServices-WorkEmployeeEmployeePage ListTextHRServices01-01-01 SAE-HRServices-WorkSelectedCoursesSelectedCoursesPage ListTextHRServices01-01-01 I can't proceed as this needs to be corrected first otherwise the rest of the exercises will not work.thanks, Pega Academy ×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 Discussion, please write a new Discussion. Posted: 4 years agoAmirM129 American Express replied to AmirM129Found the solution. Apparently, I missed the point where it says change the Employee Class to "Page". By default it creates "Page List" Posted: 4 years agoKimberleyH SmartRules replied to AmirM129Thanks for creating this post! I ran into the same issue and was able to correct it and move on without delay when I found your post. So, thanks for sharing!