Theres a long list of WordPress frequently occurring error and one such error is WordPress Error 404. You can experience this error after making an edit in the .htaccess file or after activating a new theme. When you try to navigate from the home page to any other pages then you might experience this error.
·To fix this error, one simple solution is to edit the .htaccess file. You can also add a snippet of the code. Users can do this via an FTP programs edit mode or by making an edit in the file through your PC.
·Another solution that you can try to resolve the error 404 Not Found is by correcting the permalinks of the WordPress website.
·At last, you can try to deactivate the plugins one by one to see which plugin is causing this error.