I am running into an issue where my article will not post if the content of the article is over 3000 characters. When I click save, it appears to be trying to post but then I am taken to a white screen.

I am using JCE Editor but I have also tried Tiny MCE and nothing works. I have also disabled by JCH Optimize plugin but this still does not solve the issue.

Any ideas how I can resolve this issue?

Thanks in advance.

  • 1
    What do your error logs say? A white screen is often a PHP error.
    – RichardB
    Jun 25, 2017 at 17:28
  • Hi there,I was informed that this is a known joomla 3.7.x bug and it only started happening once I updated from 3.6.x. Jun 26, 2017 at 18:15

1 Answer 1


It is likely a ModSecurity rule being triggered. This ModSecurity rule is triggered when PCRE engine limits are exceeded. You will need to whitelist that rule. See this post about this. Alternatively, you can increase your ModSecurity PCRE limits, but this will likely increase the impact of a DoS attack, as PCRE matching is heavy on the system.

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