If you receive a 404 (page not found) error when clicking any internal link in WordPress, usually the easiest way to fix the issue is by rebuilding your Permalinks:
In WP-Admin, go to Settings, Permalinks and click "Save Changes".
If you receive a 404 (page not found) error when clicking any internal link in WordPress, usually the easiest way to fix the issue is by rebuilding your Permalinks:
In WP-Admin, go to Settings, Permalinks and click "Save Changes".