Exception encountered, of type &quot;TypeError&quot;<br />
[1a3d82ec07be2979899f1f45] /User:Axel   TypeError from line 120 of /home/www/fredafeder_www/extensions/u_extension/u_permission_categories.php: implode(): Argument #1 ($array) must be of type array, string given<br />
Backtrace:<br />
#0 /home/www/fredafeder_www/extensions/u_extension/u_permission_categories.php(120): implode()<br />
#1 /home/www/fredafeder_www/extensions/u_extension/u_permission_categories.php(34): u_get_pagecategories()<br />
#2 /home/www/fredafeder_www/includes/Hooks.php(195): u_hook_userCan()<br />
#3 /home/www/fredafeder_www/includes/Title.php(2049): Hooks::run()<br />
#4 /home/www/fredafeder_www/includes/Title.php(2492): Title-&gt;checkPermissionHooks()<br />
#5 /home/www/fredafeder_www/includes/Title.php(1896): Title-&gt;getUserPermissionsErrorsInternal()<br />
#6 /home/www/fredafeder_www/includes/Title.php(1878): Title-&gt;userCan()<br />
#7 /home/www/fredafeder_www/includes/skins/SkinTemplate.php(845): Title-&gt;quickUserCan()<br />
#8 /home/www/fredafeder_www/includes/skins/SkinTemplate.php(473): SkinTemplate-&gt;buildContentNavigationUrls()<br />
#9 /home/www/fredafeder_www/includes/skins/SkinTemplate.php(246): SkinTemplate-&gt;prepareQuickTemplate()<br />
#10 /home/www/fredafeder_www/includes/OutputPage.php(2324): SkinTemplate-&gt;outputPage()<br />
#11 /home/www/fredafeder_www/includes/exception/PermissionsError.php(60): OutputPage-&gt;output()<br />
#12 /home/www/fredafeder_www/includes/MediaWiki.php(525): PermissionsError-&gt;report()<br />
#13 /home/www/fredafeder_www/index.php(43): MediaWiki-&gt;run()<br />
#14 {main}<br />