Facebook API Error: (#100) link URL is not properly formatted

Can you give a link to the page so we can see the error? With just that message, it's a bit difficult to recommend any solutions.

The best things I can recommend are:
* Make sure you don't have any other Facebook extensions loaded that are conflicting
* Disable any caching
* Disable any minification extensions
* Disable any 3rd party SEF extensions

None of those should need to remain disabled, we just need to localize what's causing the problem.

Thanks,
Alex