I've encountered an error with renaming an URL. Originally, I've built a page that has the endpoint of the url "thesisreview". I've rename that page to "review" and change the end point to "review". However, when I create a new page with the name "thesisreview" and try to add the URL endpoint to "thesisreview" it gives me this error,

The submitted Page URL is not available. If you wish to accept the suggested alternative, please click Update.

Have anyone encounter this problem and know a solution to fix this? The only solution I know of is to delete the page and empty it out of the recycle bin to have it work, but I don't want to do that.