Redirect Manager 301 results in "Entry DNE" error This is my old URL. No entry exists here:

/post/234234234234/happy-fourth-of-july


This entry exists:

/news/happy-fourth-of-july


I have the Redirect Manager plugin setup as follows:


However when I visit the old URL (above) the URL remains unchanged and I receive a Variable "entry" does not exist template error.

I must be missing something really obvious, so if I can provide more infomation, let me know.
Turns out that I was right on the money with my plugin configurations, however earlier I had incorrectly tried to solve the problem using the route below, which was still in place and scuppering my subsequent good work!