Showing results for 
Show  only  | Search instead for 
Did you mean: 

SCORM LTI wont load due to 503 errors

SCORM LTI wont load due to 503 errors

Canvas white logo

This behavior has been resolved and deployed to the production environment as of 3/23/22.




Scorm is displaying the error of This website is under heavy load (queue full) when attempting to load any content/assignment. As well the base external page does not load and provides 503 errors.


Expected Behavior


Instead, it should be loading so instructors can upload and view their Scorm files on this course tab.



No workaround exists at this time.

Steps to Reproduce


  1. In an account that has Scorm installed, go to the Scorm tab in the course navigation

  2. Notice that no content loads on this page

  3. Inspect and reload the page and you will see 503 errors.

  4. Go to an assignment from a previous loaded scorm file

  5. See the error.


Additional Info


Known issues indicate notable behaviors that has been escalated to the Canvas engineering team. Known issues are not a guarantee for an immediate resolution. This document is for informational purposes only and does not replace the Support process. If you are encountering the behavior outlined in this document, please ensure you have submitted a Support case (per your institution's escalation process) so Canvas Support can adequately gauge the overall customer impact and prioritize appropriately.

Labels (1)