Missing preview image when sharing blog post to Facebook
Sometimes Facebook does not show us the preview image correctly or even shows us the wrong content of the shared post.
So, what you can do when you encounter such a problem? The answer is Facebook Debug tool.
If you found the same error for your shared post then follow the next link to a WA training on how to resolve it.
However, sometimes Facebook shows another error which can't be removed only with FB Debug tool.
Error: Missing Properties - and is all about FB: ap_id
Read on to find out what to do.