salvador21 on "[Plugin: Custom Permalinks] 404 errors only with certain links"

I am getting page errors for seemingly random permalinks. I am adding the extension html to permalinks as I am convering an old static html site and want to retain the same page URLs

For example:

I can happily name a page permalink to to aboutme-contact.html

but if I then create a page aboutme-audiofiles.html then I get a 404

If I change that page link something else, e.g. to aboutme-audiofiles-new.html all is fine again.

Can anyone help please?

http://wordpress.org/plugins/custom-permalinks/