Published without link and image

Change the posting method from Simple text message to Attach your blog post or Share a link to your blog post.

If the posting method used is either Attach your blog post or Share a link to your blog post,then it will show a preview as per your post content of the provided link.If the preview image is missing then you can check the shared post’s url at https://developers.facebook.com/tools/debug/og/object/ .
If this issue persist,then please contact our support desk at https://xyzscripts.com/support/
Hope this helps.