Fatal error: Uncaught ExtensionDependencyError: SyntaxHighlight requires "shell" ability: Unable to run external programs, proc_open() is disabled in /var/www/app/wiki/sites/itwiki14/code/includes/registration/ExtensionRegistry.php:463 Stack trace: #0 /var/www/app/wiki/sites/itwiki14/code/includes/registration/ExtensionRegistry.php(317): ExtensionRegistry->readFromQueue() #1 /var/www/app/wiki/sites/itwiki14/code/includes/Setup.php(288): ExtensionRegistry->loadFromQueue() #2 /var/www/app/wiki/sites/itwiki14/code/includes/WebStart.php(85): require_once('...') #3 /var/www/app/wiki/sites/itwiki14/code/index.php(50): require('...') #4 {main} thrown in /var/www/app/wiki/sites/itwiki14/code/includes/registration/ExtensionRegistry.php on line 463