You can verify that you are connected to a network by attempting to launch a stream or by trying to install something from different known repository address. Does it work? If you know the repository git address, you can also try to access that. Try to visit the repository address in your web browser. Pay attention to specific characters in the http address such as http s or extra or missing forward slashes. Make sure that you are copying the address exactly. Sometimes, mistakes happen when manually copying an address found fro a guide on our site. This error can appear for a number of reasons. 20 feet container capacity in metric tons.