Question2Replies512Views uiten Member since 2016 1 post PEGA Posted: 4 years agoLast activity: 4 years 2 months ago Closed Solved CLSA71- Rule Reporting Exercise - Cannot show properties from joined history-rule classHi All,When i add the pyPerformer property from the joined History-Rule class in a report on the Rule-Summary class as described in the Rule reporting chapter,the property seems not to get recognized.In the query form the column name field gets cleared when saving and the following error messages show:Property Label:A Column Heading is blank: 'RH.pyPerformer'. Enter a heading for this column.Property Name: This is not a valid property or this is a property that cannot be used here.See also the attached screenshots.Did anyone else face the same issue? Am i overlooking something?Thanks in advance,NielsPVS Pega version 7.1.9 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 Question, please write a new Question. Accepted Solution Posted: 4 years agoadaij PEGA replied to uitenYou need to Declare RH in the Pages And Classes tab as shown in the attached and then it works. Posted: 4 years agouiten PEGA replied to adaijThanks James! :).