Issue Importing the Demo Content
Before attempting to import the demo content, please be sure that your server fulfills the minimum Server Requirements.
Also,please follow the instructions in the Import Demo Data post.
Successfully importing the data into WordPress is not something we can guaranty at 100% for all users. There are a lot of variables that come into play, over which we have no control. Most of the time, the main issues are bad shared hosting servers.
Please note that our themes include a 3rd party plugin to offer you to import our demo data. If you any issue importing the demo content using the "One-Click Demo Import" plugin, please check the plugin troubleshooting documentation.