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

Hi, i have a problem with publication posts from Login to see this link . i tried to use "Full -Text RSS script" , change container tag, but it didn't help me. i want to know is this a problem of rss site or maybe other. 

[22-08-24 08:59:23] Processing a new post: Login to see this link
[22-08-24 08:59:23] Checking for duplicate by link
[22-08-24 08:59:23] Trying to extract full text article
[22-08-24 08:59:23] Tag specified: <span>
[22-08-24 08:59:23] Attributes specified: {"style":""}
[22-08-24 08:59:24] Operation failed. Unable to retrieve full-text content from Login to see this link
[22-08-24 08:59:24] The post will not be added

In this attempt i used span tag and attributes  {"style":""} . Without it i have same issue.