Need some assitance

I’ve encountered a SCORM  player that places a banner on the screen ( above my application) with “quit” I got this response “The warnings in the dev console may be helpful for them to resolve. There is an issue with the content rather than a TRAIN error.” I don’t see any warnings in the development screen and my app provides an “exit” option for the user. [Deprecation] Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects […]