ERROR 404 OOPS! Looks like little Reggie is at it again. We can't seem to find the page you are looking for. Check the links below for content you might find helpful. question Can't locate "Access Exercise System" on course (version 7.4-7.3) discussion Can't access exercise system question Can't enroll in LSA 7.3 course question Course: System Architect Essentials Version: 8 - Unable to Access the Exercises discussion Can't access the course (System Architect Essentials) Search Pega Community Ask Pega Community