- Plesk for Linux
- Plesk for Windows
WordPress website is not accessible or some contents of the website don't load. The following error is shown in the browser or in the browser inspector (F12):
CONFIG_TEXT: Error 500 Internal Server Error
CONFIG_TEXT: 503 Service Temporarily Unavailable
In some cases, the WordPress Admin Dashboard cannot be accessed with the following error message:
CONFIG_TEXT: There has been a critical error on your website. Please check your site admin email inbox for instructions
In some cases, the website is working if all WordPress plugins are disabled going to Domains > example.com > Click on WordPress instance > Instances tab > Plugins tab:
The following symptoms might be encountered in Plesk for Linux:Click here to expand
- The error text may be slightly different:
CONFIG_TEXT: There has been a critical error on this website. Please check your site admin email inbox for instructions.
In Plesk for Linux, the following errors may be present in
CONFIG_TEXT: Fatal error: Call to undefined function themesflat_map_icons() in /var/www/vhosts/example.com/wp-content/plugins/themesflat/includes/shortcodes/iconbox.php on line 22
CONFIG_TEXT: PHP Fatal error: Uncaught Error: Call to undefined method EPL_Property_Meta::ang_get_price_stiker() in /var/www/vhosts/example.com/httpdocs/wp-content/plugins/ANG-Esta-make-up/libs/functs/ang-functions.php:211
CONFIG_TEXT: [proxy_fcgi:error] [pid 53999] [client 203.0.113.2:63871] AH01067: Failed to read FastCGI header
[proxy_fcgi:error] [pid 53999] (104)Connection reset by peer: [client 203.0.113.2:63871] AH01075: Error dispatching request to :
CONFIG_TEXT: [proxy_fcgi:error] [pid 16330] [client 203.0.113.2:46016] AH01071: Got error 'PHP message: PHP Fatal error: Cannot redeclare bbt_get_audio_shortcode() (previously declared in /var/www/vhosts/example.com/httpdocs/wp-content/plugins/bbt_fw_plugin/helpers.php:139) in /var/www/vhosts/example.com/httpdocs/wp-content/themes/Wordie/functions.php on line 627\n', referer: http://www.example.com/wp-admin/
CONFIG_TEXT: [warn] [client 203.0.113.2] (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server, referer: http://example.com
[error] [client 203.0.113.2] Premature end of script headers: index.php, referer: http://example.com
[warn] [client 203.0.113.2] mod_fcgid: can't apply process slot for /var/www/cgi-bin/cgi_wrapper/cgi_wrapper, referer: http://example.com
CONFIG_TEXT: [fcgid:warn] [pid 24533] [client 203.0.113.2:42388] mod_fcgid: stderr: PHP Fatal error: Uncaught Error: Cannot call constructor in /var/www/vhosts/example.com/httpdocs/wp-content/plugins/webpen.de-delivery-by-postcode/wppizza-delivery-by-postcode.php:67
CONFIG_TEXT: mod_fcgid: read data timeout in 45 seconds, referer: https://example.com/contact-us/
Premature end of script headers: index.php, referer: https://example.com/contact-us/
CONFIG_TEXT: (70007)The timeout specified has expired:
In Plesk for Linux, FPM error logs
/var/log/plesk-phpXX-fpm/error.logcould show the following error:
CONFIG_TEXT: WARNING: [pool example.com] child 50974 exited on signal 11 (SIGSEGV - core dumped) after 0.943055 seconds from start
CONFIG_TEXT: failed to open stream: HTTP request failed!
- The error text may be slightly different:
The following symptoms might be encountered in Plesk for Windows:Click here to expand
In Plesk for Windows, the following error may be present in Event viewer:
CONFIG_TEXT: Faulting application name: php-cgi.exe, version: 220.127.116.11, time stamp: 0x5c36749f
Faulting module name: php7.dll, version: 18.104.22.168, time stamp: 0x5c367e24
Exception code: 0xc000001d
Fault offset: 0x00000000002000a2
Faulting process id: 0xd070
Faulting application start time: 0x01d4adcdde6c1eb0
Faulting application path: C:\Program Files (x86)\Parallels\Plesk\Additional\PleskPHP73\php-cgi.exe
Faulting module path: C:\Program Files (x86)\Parallels\Plesk\Additional\PleskPHP73\php7.dll
Report Id: 27a3d8b9-19c1-11e9-814e-00163e558f16
Faulting package full name:
Faulting package-relative application ID:
In Plesk for Windows, Process Monitor shows the lasts loaded items by
php-cgi.exeprocess were some files from a WordPress plugin.
Coding issue on the WordPress instance caused by malfunctioning plugins, theme and/or customization.
- Log in to Plesk GUI
- Go to Domains > example.com > Click on WordPress instance > Instances tab > Plugins tab.
- Disable all WordPress plugins.
- Enable WordPress plugins one by one and check the website accessibility until the problematic plugin is found.
- Enable all non-problematic WordPress plugins.
Note: Once the problematic WordPress plugin is identified, contact WordPress plugin developers and change current PHP settings if required.
If this did not fix the issue, verify the following:Click here to expand
The installed WordPress plugins are up to date
The installed WordPress plugins are compatible with the other WordPress plugins
The installed WordPress theme is up to date
- The installed WordPress theme is compatible with the WordPress plugins
- Both WordPress plugins and theme are compatible with the current PHP version and PHP configuration