I’m trying to create a page named “3” on my website under the parent “problems”, i.e. something like this http://doubleroot.in/problems/3/
But after publishing it, wordpress renames it to "doubleroot.in/problems/3-2/", which i think means that the link already exists. But it doesn’t. When I open that link, I do not get a 404 error. Instead, I get redirected to doubleroot.in/problems/, though the address bar shows doubleroot.in/problems/3/ and the breadcrumb shows “Home » Problems » Page 3”.
(You can try visiting the link above.)
This happens for any number I put in place of ‘3’. How can I go about fixing this problem?
Any help is appreciated.