Solution: The template uses a third-party plugin like Optical Flares or Twixtor . Check the product page on Videohive. Item 47740849 is usually plugin-free, but if it requires one, the purchase page will list it. Download the free demo or purchase the plugin.
When the project opens, you may see a pink or rainbow screen. This is a "Missing Media" warning. videohive-47740849-slideshow-elegant.zip