abcfolio

You need to add WordPress gallery to the Grid Gallery with Custom Links.

Quick Start > 3. Create WordPress Gallery and add images

https://abcfolio.com/help/grid-gallery-with-cusom-links-quick-start/

If you still have a problem, you can send us screenshots of WordPress Gallery shortcode and Grid Gallery with Custom Links shortcode.

Use our contact form to contact us: https://abcfolio.com/

Free version of Grid Gallery with Custom Links can only display a single caption per image. Additional captions are available in premium version of the plugin: Grid Gallery with Custom Links Pro https://abcfolio.com/help/wordpress-plugin-grid-gallery-with-custom-links-pro-text-layout/

The Caption 2 and Caption 3 fields are part of our free plugin Media Library Custom Fields. This plugin is used by both free and premium versions of the Grid Gallery.