Unable to retrieve full-text content | CyberSEO Pro | Support Forum

This message literally means that the Full-Text RSS script was unable to extract the full-text article from the specified webpage. You can always check your links here: Login to see this link

In this case, it's recommended to use the built-in method of item extraction: Login to see this link

The Full-Text RSS script is not part of the CyberSEO Pro package and is installed separately as a standalone 3rd-party script to be used via REST API in accordance with its GPL license, while the full-text extraction by container tags method is built into the plugin and available out of the box.