Question4Replies30Views apurva Member since 2016 11 posts HCL Posted: March 24, 2020Last activity: March 24, 2020 While clicking on any rule getting class doesn't existHi,Recently we upgraded our env from pega 8.3 to pega 8.4.0 ,while sanity check i found that sometimes on clicking on some rule from records getting below errorClass doesn't existCan anybody help me on this why we are getting this error and is anything related to upgrade here? ***Edited by Moderator Marissa to update Platform Capability tags**** System Administration ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Posted: 8 months agoMarcLasserre_GCS PEGA replied to apurvaHello, Can you share full stack trace from your PegaRULES log please. Posted: 8 months agoRakshith PEGA replied to apurvaAre they OOTB or Custom rules? Posted: 8 months agoapurva HCL replied to Rakshithrules like while opening operator id ,any rules Posted: 8 months agoRakshith PEGA replied to apurvaAs mentioned earlier any exceptions in logs, if yes, Please share.