title: All my MediaWiki pages are blank
body: <p>All of a sudden, all my Mediawiki pages are blank. If I click the edit field, the content is still, there. Ive checked the sqlite file and it looks just fine. Ive turned on debugging output and get the following:</p>
  
  <pre><code>Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
  
  Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
  
  Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
  
  Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
  
  Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
  
  Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
  
  Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
  
  Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
  
  Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
  
  Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
  
  Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  
  Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
  </code></pre>
  
  <p>Are these errors most likely the cause of the issue? If so, how do I resolve it? And if not, anyone have any idea on what might be the problem?</p>