MediaWiki internal error.

Original exception: exception 'ErrorPageError' with message 'Вы не указали целевую страницу или участника для этого действия.' in /fs/www/automata/html/includes/OutputPage.php:855
Stack trace:
#0 /fs/www/automata/html/includes/SpecialRecentchangeslinked.php(33): OutputPage->errorpage('notargettitle', 'notargettext')
#1 /fs/www/automata/html/includes/SpecialPage.php(653): wfSpecialRecentchangeslinked('\xC3\x90\xCB\x9C\xC3\x90\xC2\xBD\xC3\x90\xC2\xB4\xC3\x90\xC2...', Object(UnlistedSpecialPage))
#2 /fs/www/automata/html/includes/SpecialPage.php(459): SpecialPage->execute('\xC3\x90\xCB\x9C\xC3\x90\xC2\xBD\xC3\x90\xC2\xB4\xC3\x90\xC2...')
#3 /fs/www/automata/html/includes/Wiki.php(201): SpecialPage::executePath(Object(Title))
#4 /fs/www/automata/html/includes/Wiki.php(45): MediaWiki->initializeSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#5 /fs/www/automata/html/index.php(89): MediaWiki->initialize(Object(Title), Object(OutputPage), Object(User), Object(WebRequest))
#6 {main}

Exception caught inside exception handler: exception 'DBQueryError' with message 'A database error has occurred
Query: SELECT page_id FROM `page` WHERE page_namespace = '0' AND page_title = 'Заглавная_страница' LIMIT 1
Function: LinkCache::addLinkObj
Error: 1267 Illegal mix of collations (latin1_bin,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation '=' (localhost)
' in /fs/www/automata/html/includes/Database.php:824
Stack trace:
#0 /fs/www/automata/html/includes/Database.php(779): Database->reportQueryError('Illegal mix of ...', 1267, ' SELECT page_i...', 'LinkCache::addL...', false)
#1 /fs/www/automata/html/includes/Database.php(1224): Database->query(' SELECT page_i...', 'LinkCache::addL...')
#2 /fs/www/automata/html/includes/Database.php(1104): Database->select('page', 'page_id', Array, 'LinkCache::addL...', Array)
#3 /fs/www/automata/html/includes/LinkCache.php(146): Database->selectField('page', 'page_id', Array, 'LinkCache::addL...', Array)
#4 /fs/www/automata/html/includes/Title.php(1655): LinkCache->addLinkObj(Object(Title))
#5 /fs/www/automata/html/includes/Linker.php(241): Title->getArticleID()
#6 /fs/www/automata/html/includes/OutputPage.php(1130): Linker->makeLinkObj(Object(Title))
#7 /fs/www/automata/html/includes/OutputPage.php(1161): OutputPage->addReturnTo(Object(Title))
#8 /fs/www/automata/html/includes/OutputPage.php(829): OutputPage->returnToMain(false)
#9 /fs/www/automata/html/includes/Exception.php(173): OutputPage->showErrorPage('notargettitle', 'notargettext')
#10 /fs/www/automata/html/includes/Exception.php(191): ErrorPageError->report()
#11 /fs/www/automata/html/includes/Exception.php(225): wfReportException(Object(ErrorPageError))
#12 [internal function]: wfExceptionHandler(Object(ErrorPageError))
#13 {main}