Thread:Project:Support desk/Error when installing MediaWiki.

Hello!

I am install mrdiawiki 19.1.

After installation on the main page of a text:

No cache directory configured

Backtrace:


 * 1) 0 /home/p66320/www/thisismydomain.org/extensions/LocalisationUpdate/LocalisationUpdate.class.php(713): LocalisationUpdate::filename('ru')
 * 2) 1 /home/p66320/www/thisismydomain.org/extensions/LocalisationUpdate/LocalisationUpdate.class.php(36): LocalisationUpdate::readFile('ru')
 * 3) 2 [internal function]: LocalisationUpdate::onRecache(Object(LocalisationCache), 'ru', Array)
 * 4) 3 /home/p66320/www/thisismydomain.org/includes/Hooks.php(216): call_user_func_array('LocalisationUpd...', Array)
 * 5) 4 /home/p66320/www/thisismydomain.org/includes/GlobalFunctions.php(3847): Hooks::run('LocalisationCac...', Array)
 * 6) 5 /home/p66320/www/thisismydomain.org/includes/LocalisationCache.php(675): wfRunHooks('LocalisationCac...', Array)
 * 7) 6 /home/p66320/www/thisismydomain.org/includes/LocalisationCache.php(397): LocalisationCache->recache('ru')
 * 8) 7 /home/p66320/www/thisismydomain.org/includes/LocalisationCache.php(325): LocalisationCache->initLanguage('ru')
 * 9) 8 /home/p66320/www/thisismydomain.org/includes/LocalisationCache.php(240): LocalisationCache->loadSubitem('ru', 'messages', 'mainpage')
 * 10) 9 /home/p66320/www/thisismydomain.org/languages/Language.php(1974): LocalisationCache->getSubitem('ru', 'messages', 'mainpage')
 * 11) 10 /home/p66320/www/thisismydomain.org/includes/cache/MessageCache.php(647): Language->getMessage('mainpage')
 * 12) 11 /home/p66320/www/thisismydomain.org/includes/GlobalFunctions.php(1427): MessageCache->get('mainpage', true, true)
 * 13) 12 /home/p66320/www/thisismydomain.org/includes/GlobalFunctions.php(1407): wfMsgGetKey('mainpage', true, true, true)
 * 14) 13 /home/p66320/www/thisismydomain.org/includes/GlobalFunctions.php(1373): wfMsgReal('mainpage', Array, true, true)
 * 15) 14 /home/p66320/www/thisismydomain.org/includes/Title.php(336): wfMsgForContent('mainpage')
 * 16) 15 /home/p66320/www/thisismydomain.org/includes/Wiki.php(90): Title::newMainPage
 * 17) 16 /home/p66320/www/thisismydomain.org/includes/Wiki.php(65): MediaWiki->parseTitle
 * 18) 17 /home/p66320/www/thisismydomain.org/index.php(57): MediaWiki->__construct
 * 19) 18 {main}

How to fix this error?

Why is it so?

Thanks you!