Learners might encounter the "No video with supported format and MIME type found" error when viewing video content via the LMS365 player in the Mozilla Firefox web browser.
This article describes more about the error and how to resolve it.
"No video with supported format and MIME type found" error
Learners might encounter this error when they use the Mozilla Firefox web browser to view a video in the LMS365 player. The root cause of this error might also affect the display of hot spot images in quizzes, as well as introduce other unexpected behaviors in LMS365.
Completing the following steps will disable enhanced tracking protection for the lms.365.systems domain only. Enhanced tracking protection will remain enabled for all other domains, including the SharePoint domain.
To resolve this error, learners should select the trackers (shield) icon next to the address bar in the Mozilla Firefox browser when you're in the LMS365 player.
Next, drag the Enhanced Tracking Protection toggle to Off.
After performing these steps, the content will be available and the error will no longer occur.