If after using Joomla QuickStart package you’ve deleted all the “demo” users – the Joomla! will have a problem to associate previously-created content or added items to the user, which no longer exists. The warning message “JUser: :_load: Unable to load user with ID: XX” is telling us that the user with the XX id number could not be loaded, typically because that user has been deleted.
In this blog we want to talk about one of most common questions, Joomla website backup. After a long time of hard work, your Joomla website finally looks as expected. Of course, you want to keep it safe, and restore in case of damage. Backup will help you restore or move existing Joomla website.