In case you are using your own account to host your videos, there are some changes you need to make to the vimeo settings in order for your videos to properly loaded in your LearnWorlds site. First of all, you need to change the privacy settings of your videos in order to allow for them to be embedded in your LearnWorlds site. Secondly, you need to hide the default vimeo player in order to allow for the advanced LearnWorlds interactive video player to take over. 

In the following print screens you may see the required settings.

NoteAt the “Where can your videos be embedded” option you have to click “Add domain” and insert your own domain. Also at the “Choose embed preset to apply to your videos”  you have to create your custom preset settings for your videos. * Your Preset Settings should look like this: