Question2Replies38Views×Close popoverEduard Ursachi (EduardU1) Corandus GmbH Corandus GmbH RO View ProfileSend Message EduardU1 Member since 2020 1 post Corandus GmbH Posted: April 2, 2020Last activity: April 2, 2020Posted: 2 Apr 2020 3:47 EDTLast activity: 2 Apr 2020 13:31 EDT 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: 10 months agoUpdated: 10 months agoPosted: 2 Apr 2020 9:18 EDTUpdated: 2 Apr 2020 13:31 EDT×Close popoverPavan Kalyan Kanaparthi (kanap2) PEGA System Architect Pegasystems Inc. IN View ProfileSend Messagekanap2 PEGA replied to EduardU1Could you please clear the cache and try or try to login in incognito mode. Posted: 10 months agoUpdated: 10 months agoPosted: 2 Apr 2020 9:47 EDTUpdated: 2 Apr 2020 13:31 EDT×Close popoverEduard Ursachi (EduardU1) Corandus GmbH Corandus GmbH RO View ProfileSend MessageEduardU1 Corandus GmbH replied to kanap2Clearing chache data was the solution. Thank you.