Question2Replies38Views EduardU1 Member since 2020 1 post Corandus GmbH Posted: April 2, 2020Last activity: April 2, 2020 Solved Unable to enroll for System Architect Essentials for PEGA 7.3/7.4 and System Architect Essentials for PEGA 8.1Hello,I just made a new account and I can't enroll for System Architect Essentials for PEGA 7.3/7.4 ( https://academy.pega.com/library/73-74/system-architect-essentials ). I clicked "Start Learning", then i was redirected to the page course and after i hit "ENROLL" i am redirected to a blank page which says : A processing error has occurred Object key .OperatorReference: No records were found for the lookup with keys : pyUserIdentifier=REG-651795 Stack Trace Pega Academy ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Accepted Solution Posted: 7 months agoUpdated: 7 months agokanap2 PEGA replied to EduardU1Could you please clear the cache and try or try to login in incognito mode. Posted: 7 months agoUpdated: 7 months agoEduardU1 Corandus GmbH replied to kanap2Clearing chache data was the solution. Thank you.