Q: When I try to update Tautulli, it keeps telling me “Please commit your changes or stash them before you can merge.” A: See the answer to the previous question. Q: What does the warning “Unable to retrieve data” mean? Is this a problem? A: No, not necessarily. It means that you requested data that is not available, for example when you view the profile of a user who hasn’t watched anything …

https://github.com/Tautulli/Tautulli-Wiki/wiki/Frequently-Asked-Questions