@aeromatico22180 you may need to double check that you have all required plugins. Would you mind telling us which theme you installed, and the plugins that you have installed as well? You should be able to find the plugins installed by going to the Backend and then navigate to Settings -> Updates & Plugins.
Today we are talking to Blaž Oražem, IT engineer and technical director of the Slovenian digital studio Spletna postaja. They started working with October CMS back in 2016 and today October CMS is their primary platform for developing custom solutions for different clients.