Question3Replies1214Views ajim6732 Member since 2018 2 posts bank mandiri Posted: 2 years agoLast activity: 2 years 6 months ago Closed InvalidReferenceExceptionDear All,Any body can help for below :InvalidReferenceException .pxCreateDateTime Cannot use an unexposed property as there is no BLOB column for the class : History-xxx-xxx-WorkSteps :1. create report under History-xxx-xxx-Work2. expose .pyPerformer and count of pyId (join from main class, i.e Org-LOS-Work-Claim) properties3. run that report. then click one row.4. got above exception.Best regards, Reporting ×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: 2 years agodamas PEGA replied to ajim6732Please see if the following PDN-Link can help : https://pdn.pega.com/support-articles/decisioning-interaction-history-r… Thanks, Sai Posted: 2 years agoUpdated: 2 years agoajim6732 bank mandiri replied to damasthanks for your help. and Now above exception already gone, work properly right now. Best regards, Aji Mulyadi Posted: 2 years agoAsif Hasan PEGA replied to ajim6732Could you share screen-shot of the report definition for more clarity? Also, share the PegaRULES logs as well as capture tracer recording the reported issue.