Moving site, only one page fails

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I am moving my website to a different server. Everything is running smooth, except one page does not display properly. In the standard code that renders the area, the page immediately halts rendering and the page is incomplete. If I comment out the applicable code in the theme ($a->display($c);), the page renders completely.

Nothing shows up in the error logs on the server. No errors show up in Concrete5.

What is the next step in debugging this issue? I am at a loss right now.

 
mkly replied on at Permalink Reply
mkly
Have you checked the source code of the page output? A lot of times if a block outputs an error the page render will just stop there, but the message will be buried in a div or something.

Maybe do a ctrl+U(view source) and scroll down to the bottom.

That said, this definitely feels like one of those Clear Cache(the concrete5 cache not your browser) moments, although you may have already tried that.

The
$a->display($c);

displays an Area which likely contains some blocks. One of these block is actually where the error is likely happening. I'm not sure if you know which blocks were in there, but that might help in tracking it down.
BrianJM replied on at Permalink Reply
Thanks for your suggestions.

I checked the source - no error. The area contains a "layout" and all blocks within the layout are content blocks.

I am now noticing that my captcha images are not displayed as they are resulting in a 500 internal server error as well. I think that this is a related issue.