This page can't be displayed. Contact support for additional information. The incident ID is: 0.

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I'd like to start this discussion for those that might have this problem when publishing a live site.

I built our site on a staging server then pushed it to our live site. However on the live site, anytime you try to make a change in the text editor or adding a new page, an error would show. Its very intermittent however and usually will happen because of word, special character or the amount of characters.

The error is:

"This page can't be displayed. Contact support for additional information. The incident ID is: 0."

Scouring the web, other were having problems with a firewall not allowing the information to the c5 database. Check your firewall settings with your hosting provider(s) to alleviate this problem.

View Replies:
bobkennedy replied on at Permalink Reply
I am also having this problem. I created a new block type, and I am having intermittent problems inserting properly formed img tags, from certain computers. Others work fine. The following work:
<img src "">
<img src=>
img src=""

while this does not:
<img src="">


What was your fix to the firewall? Were you able to determine where the actual text of the message was coming from? My error is:

"ErrorErrorError This page can't be displayed. Contact support for additional information. The incident ID is: 0"

Thanks for any help.
mroberte replied on at Permalink Reply
I'll have to play around with the code of each of our add-ons to see how they are inserting the images... if there is a space between the = and the parenthesis. Its been the last huge hurdle we still can't get 100% fixed and will have to ask for a staging to live push from our IT department almost everyday.
bobkennedy replied on at Permalink Reply
I found something I think could help you. There is a product called Imperva which sits in front of the firewall and inspects all traffic for "threatening" requests. I'm sure there are others as well. However, it returns error messages exactly like this one. When I connect to the server via VPN, the error goes away. This further enforces that the issue is something outside of the firewall, at least for me.

In the end, though, it just means that there is something processing your request and rejecting it before it can get where it needs to go.

I made a small script outside of C5 to verify that the problem was not in the CMS. Feel free to try it on your server as well.

<form action='test.php' method='post'><input type='text' name='textField'><input type='submit' name='submit' value='submit'></form>
<?php
if(isset($_POST['submit'])){
print_r($_REQUEST);
}