Previewing isn’t loading

Hi wondering if anyone can help, Preview project and previewing HTML5 in browser isn’t loading the preview (just has the loading icon) and learners can’t view in LMS. This is for quite a few of my projects and not sure what it could be. I save in a shared drive and my colleague was unable to open it, with this message coming up. Old projects from a month or 2 back seem fine. If anyone has encountered this issue and […]