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It certainly doesn't help.
You should remove the canonical tag.  All it will do is confuse Google.

There are actually no redirects in place, so SEOMoz thinks they are both separate links.

If you redirect one of the pages to the other like you said, the duplicate content error will disappear.

You can check redirects using this tool: http://www.internetofficer.com/seo-tool/redirect-check/

Sit back and relax knowing it is out of your control.

I don't want to sound like a smart butt, but you should reduce the amount of characters in your Title Tags to less than 70 to remove the errors.  It is that simple.  Anything more than 70 does not display in Google, anyway.

Hi Mozzers,

We're having a hard time getting our site indexed, and I have a feeling my dev team may be blocking too much of our site via our robots.txt file.

They say they have disallowed php and smarty files.

Is there any harm in allowing these pages?

Thanks!

If you have a list of all the URLs on your site, it is easy to create a sitemap using excel.  I have a template that I use and I can crank out a 50k URL sitemap in 5 minutes.

I thought I was only supposed to have one h1 tag per page.
Is this not correct?

Hey Intermediate,

Here's my setup - image - http://screencast.com/t/qThC401hQVUp Be careful of the line breaks if you want your sitemap to be pretty (I'm not sure if it also works if everything is on a single line).

Column A:

Column B:
URL

Column

<lastmod>2013-08-27</lastmod>

Column
<changefreq>always</changefreq>

Column E:
<priority>1</priority>

Column F:
=CONCATENATE(A2,B2,C2,D2,E2)

You will need to add this as first 2 lines in your sitemap:

and add to the end, but you should be good to go!
I Hope that helps!

I would do some research using OpenSiteExplorer to see if there are any nasty links to the page, but it sounds like you should be fine.

I too work with an ecommerce site.
It's tough.

Site structure is key.  Breadcrumbs will be your best friend in getting link juice deep into your site.
Once the structure is good, focus on getting links to your home page and a sprinkling down into your product pages.

Yep, I mean a trail of category page links on product pages, like this - http://screencast.com/t/YSlLeuXeG
Personally I have noticed this not only reinforces the site structure, but helps more pages of my site get crawled because it makes it easier for Google's spiders to navigate my site.