Canvas Problems Troubleshooting and Support > LMS Troubleshooting Sometimes problems can occur with WebAssign and Canvas™. Canvas Link Not Shown Can't Add App in Canvas Can't Edit the WebAssign Tool in Canvas Roster Drops and Transfers Not Synced To access this assignment, open it first from your learning management system Students Can't Open WebAssign Assignments From Canvas Scores for Manually Added Assignments Not Synced to Canvas Grades and Category Averages Not Synced to Canvas Scores Synced to Canvas Are Incorrect Synced Points Rounding Error in Canvas Timer Starts Immediately for Timed Assignments in Canvas