WordPress is a versatile platform to create and build world-class Web Development solutions to end customers. In a number of circumstances, the appearance of some known and unknown errors can be a bit harassing. HTTP error 404 encounters the most often, and the responsible reason behind the error relates to the server issue. Basically, it is a client-side technical issue, and it displays owing to several reasons.
To avoid Error 404, you can try the following things:
Redirect on site
Redirect on host
Submit new pages to search engines
Keep checking your page listings
Organize all your updates
One question mostly arises in mind, is WordPress error 404 bad for SEO? In reality, pages with this error code have no impact on SEO, but these errors might create a bad experience. Such links are called broken links.