Exception encountered, of type &quot;Error&quot;<br />
[6c1f005f9bf10f18d60775a5] /   Error from line 672 of /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php: Class 'DOMDocument' not found<br />
Backtrace:<br />
#0 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(652): LocalisationCache-&gt;loadPluralFile()<br />
#1 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(617): LocalisationCache-&gt;loadPluralFiles()<br />
#2 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(718): LocalisationCache-&gt;getPluralRules()<br />
#3 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(842): LocalisationCache-&gt;readSourceFilesAndRegisterDeps()<br />
#4 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(462): LocalisationCache-&gt;recache()<br />
#5 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(336): LocalisationCache-&gt;initLanguage()<br />
#6 /var/web/klf.ch/mediawiki-1.27.1/includes/cache/localisation/LocalisationCache.php(273): LocalisationCache-&gt;loadItem()<br />
#7 /var/web/klf.ch/mediawiki-1.27.1/languages/Language.php(4330): LocalisationCache-&gt;getItem()<br />
#8 /var/web/klf.ch/mediawiki-1.27.1/languages/Language.php(226): Language::getFallbacksFor()<br />
#9 /var/web/klf.ch/mediawiki-1.27.1/languages/Language.php(189): Language::newFromCode()<br />
#10 /var/web/klf.ch/mediawiki-1.27.1/includes/Setup.php(701): Language::factory()<br />
#11 /var/web/klf.ch/mediawiki-1.27.1/includes/WebStart.php(137): require_once(string)<br />
#12 /var/web/klf.ch/mediawiki-1.27.1/index.php(40): require(string)<br />
#13 {main}<br />