[OPEN] TA/Designer users are unable to add captions to video file uploads if the video is copied from another course


Engineers are currently investigating the issue.


When a non-teacher role such as TA or Designer attempts to upload caption files to videos that were imported from another course, they cannot. Instead they are met with an error message that reads “You must choose a language and a Valid Track File“

Expected Behavior

These roles should be allowed to add captions to imported content.


If users reimport the videos directly to the course they’re adding the captions in, it will allow them to be added.

Steps to Reproduce

Prerequisite: A created Canvas course that contains videos within it.

  1. Create a Canvas course, in this course copy videos from another Canvas course so they are in the files.

  2. Act as a TA or designer in the course and navigate to the files tab and select the video you want to add captions too.

  3. Select the “CC” option at the bottom right. Select the language English and select a VTT file from your computer, select upload.

  4. Notice the Captions do not upload and the error message is shown.

Additional Info


Known issues indicate notable behaviors that have 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.

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