How do search engines interpret pages with 'status_in_page_errors'?

Search engines prioritize the HTTP status code. If the server returns a 200 OK, the search engine will likely index the page content, regardless of the error messages displayed within the page. However, if the error is severe or widespread, search engines may eventually de-index or penalize the page, especially if the content is consistently misleading or broken. Constant 'status_in_page_errors' can negatively affect the user experience, potentially lowering the page's ranking.