Occasionally, when setting pages on your site and something goes wrong we tend to DELETE a page and just start all over. While this is a good solution, this may have a few unexpected outcomes.
1. This will affect your permalink structure.
Usually you will see a -2 or -3 at the end of your page link.

2. This may also cause blog posts or other content not showing up where you thought it should be.

To fix this, there are a few easy steps you need to take:
1. Remove the old pages from your Trash

2. Change your Permalinks
Open up the page that requires changing and simply follow the steps below:

Once you have removed -2; -3; etc. simple Update your Page and you will be all set!