Title: Plugin causes server internal problem, error 500
Last modified: May 18, 2018

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# Plugin causes server internal problem, error 500

 *  Resolved [dago](https://wordpress.org/support/users/debesyla/)
 * (@debesyla)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/)
 * Hey
 * When plugin is enabled, it causes internal server errors on frontend (not in /
   wp-admin/).
 * [Sat May 19 01:04:21.536615 2018] [core:error] [pid 30259:tid 140544856463104][
   client xxx.xxx.xx.xxx:29857] End of script output before headers: index.php
    [
   Sat May 19 01:04:29.591989 2018] [fcgid:warn] [pid 30259:tid 140544992831232](
   104)Connection reset by peer: [client xxx.xxx.xx.xxx:11949] mod_fcgid: error 
   reading data from FastCGI server
 * It seems it started after my wordpress setup was copied from one hosting to another.
 * I am not sure if this is plugin fault? Or my hosting? What should I do? wp-typography
   worked perfectly before.

Viewing 9 replies - 1 through 9 (of 9 total)

 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10297914)
 * I would think it most likely that there is a problem with the configuration of
   the new hosting.
 * What PHP version are you using? Is the `memory_limit` set high enough? Is there
   any output in the PHP error log (the lines you posted seem to be from the web
   server’s log).
 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10364367)
 * Hello [@debesyla](https://wordpress.org/support/users/debesyla/)!
 * Have you been able to resolve the server issue?
 *  Thread Starter [dago](https://wordpress.org/support/users/debesyla/)
 * (@debesyla)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10383662)
 * PHP Version: 7.0.28
    memory_limit 256M
 * Nothing in php error log :/
 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10383714)
 * Some avenues for further investigation:
    - Is error logging really enabled?
    - Have you checked if it is really only wp-Typography (i.e. by disabling all
      other plugins and switching to a default theme)?
    - You might also try to [enable `WP_DEBUG`](https://codex.wordpress.org/Debugging_in_WordPress)
      temporarily.
 * Still, an internal server error looks like a problem with your hosting environment.
   PHP 7.0 should be fine.
 *  Thread Starter [dago](https://wordpress.org/support/users/debesyla/)
 * (@debesyla)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10383785)
 * Yes, it is really enabled and it’s only this plugin. What kind of server settings
   this plugin needs? My hosting support are asking for this 🙂
 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10383818)
 * Nothing special, really. The `mbstring` extensions and PHP >= 5.6. You might 
   try increasing the memory limit to 512M just to make sure it is not an OOM situation,
   but 256M should be fine in almost any circumstances.
 * Are you sure there no must-use plugins or drop-ins enabled (object caching etc.)?
   They might be enabled by default by your hosting provider (if it’s not a “root”
   server).
 * Another thing you could try (but with proper logging, there should be a trace
   in the PHP error log if there was any problem with transients caching) is clearing
   the cache in the in the backend.
 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [8 years ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10383849)
 * Also, as a blind guess, you might be triggering a PHP bug in the specific circumstances.
   Can you switch to PHP 7.1 or 7.2 to check for that? This looks like a core dump
   situation, and that should never be caused by a programming error in a script,
   but only by a bug in the PHP engine itself.
 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10671628)
 * [@debesyla](https://wordpress.org/support/users/debesyla/) Have you been able
   to fix the issue?
 *  Plugin Author [pepe](https://wordpress.org/support/users/pputzer/)
 * (@pputzer)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10709750)
 * I assume the issue has been resolved.

Viewing 9 replies - 1 through 9 (of 9 total)

The topic ‘Plugin causes server internal problem, error 500’ is closed to new replies.

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 * 9 replies
 * 2 participants
 * Last reply from: [pepe](https://wordpress.org/support/users/pputzer/)
 * Last activity: [7 years, 8 months ago](https://wordpress.org/support/topic/plugin-causes-server-internal-problem-error-500/#post-10709750)
 * Status: resolved