Exception encountered, of type &quot;Error&quot;<br />
[c3c3c7f8d5f2359242cfa1fa] /oss4art-wiki/load.php?debug=false&amp;lang=ja&amp;modules=mediawiki.htmlform.ooui.styles%7Cmediawiki.htmlform.styles%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmediawiki.sectionAnchor%7Cmediawiki.skinning.interface%7Cmediawiki.special.pagesWithProp%7Cmediawiki.widgets.styles%7Coojs-ui-core.styles%7Coojs-ui.styles.icons%2Cindicators%2Ctextures%7Cskins.vector.styles&amp;only=styles&amp;skin=vector   Error from line 274 of /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoaderImage.php: Class &quot;DomDocument&quot; not found<br />
Backtrace:<br />
#0 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoaderImage.php(233): ResourceLoaderImage-&gt;variantize()<br />
#1 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoaderImage.php(195): ResourceLoaderImage-&gt;getImageData()<br />
#2 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoaderImageModule.php(339): ResourceLoaderImage-&gt;getDataUri()<br />
#3 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoaderModule.php(609): ResourceLoaderImageModule-&gt;getStyles()<br />
#4 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoaderModule.php(556): ResourceLoaderModule-&gt;buildContent()<br />
#5 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoader.php(978): ResourceLoaderModule-&gt;getModuleContent()<br />
#6 /var/www/fukuchi.org/root/oss4art-wiki/includes/resourceloader/ResourceLoader.php(707): ResourceLoader-&gt;makeModuleResponse()<br />
#7 /var/www/fukuchi.org/root/oss4art-wiki/load.php(47): ResourceLoader-&gt;respond()<br />
#8 {main}<br />