The person you are trying to add as a collaborator probably did not use Kaltura in the LMS yet. A user must click on a Kaltura tool in the LMS at least once, so that their name is populated in the Kaltura list, and they may be added as a collaborator.
Please note that many of the pages in our website have been translated from English using machine translation tools. Kaltura cannot guarantee the accuracy of these translations. When in doubt, please refer to the English version of the text. You are welcome to share any inaccuracies with Kaltura that you detect, however, Kaltura is under no obligation to implement the suggested changes.
Check out the new Player Upgrade tool in your admin page.
