SpriteMe is not working, not even in http://spriteme.org/

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What steps will reproduce the problem?
1. Go to //spriteme.org/
2. Click on "Run SpriteMe"
3. "Make Sprite" of any of the suggested sprites

What is the expected output? What do you see instead?

The expected result would be the sprite image itself and the option to export 
the CSS code behind, but instead I'm getting the following error message: "An 
error occurred trying to create the sprite image".

What version of the product are you using? On what operating system?

The version published in your own site at this very moment 20/07/2013. I tested 
in Win7 Ultimate(x86).

Please provide any additional information below.
I tried it in Chrome 28, Firefox and IE 9 & IE10. I came to it after trying to 
create a sprite image with the updated version of the bookmark in one published 
site of my own and it wasn't working. 

Original issue reported on code.google.com by dprie...@gmail.com on 20 Jul 2013 at 11:35

Attachments:

• spriteMeError.jpg

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For me, it created sprited image but no CSS.

Original comment by h...@viennam.com on 29 Nov 2013 at 8:29

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Demo didn't work for me in Chrome, Safari, nor Firefox. 

Original comment by cri...@gmail.com on 6 Mar 2015 at 1:30

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Doesn't work since yesterday. 

Just tried again in both Firefox and Chrome. Nothing! Keeps spinning trying to 
crate sprites. 

Any news on this?

Original comment by natalia....@gmail.com on 6 Mar 2015 at 5:49