This web page has a redirect loop

One of my website’s post can’t be viewed. When I try to view it, it gives me an error message. The error message is

“The web page at http://www.aka-accounting.com/how-much-do-accountants-make/ has resulted in too many redirects. Clearing your cookies for this site or allowing third-party cookies may fix the problem. If not, it is possibly a server configuration issue and not a problem with your computer.
Here are some suggestions:
Reload this web page later.
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Error 310 (net::ERR_TOO_MANY_REDIRECTS): There were too many redirects.”

My other posts are ok.

Here’s the url

http://www.aka-accounting.com/how-much-do-accountants-make

I tried changing the permalinks and it works fine after I did. But I want my permalinks to be structured as /%postname%/