Oops, looks that mega-menu was not imported correctly. Go to Appearance > Menus > edit menu and use the 8theme menu options to select the Static Block for this menu item and show the mega-menu content

Oops, looks that mega-menu was not imported correctly. Go to Appearance > Menus > edit menu and use the 8theme menu options to select the Static Block for this menu item and show the mega-menu content