Database error

[08b42224e905dd5e563acd5f] /index.php?title=Special:FormulaInfo&pid=3081&eid=math.3081.6 Wikimedia\Rdbms\DBQueryError: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading or after adding a new extension?

Please see https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Upgrading and https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:How_to_debug for more information.

Error 1054: Unknown column 'math_mathml' in 'field list'
Function: MathObject::readFromCache
Query: SELECT math_inputhash,math_mathml,math_tex,math_svg,math_input FROM `mathlog` WHERE math_inputhash = '���s� \\ \\���' LIMIT 1

Backtrace:

from /var/www/html/includes/libs/rdbms/database/Database.php(1203)
#0 /var/www/html/includes/libs/rdbms/database/Database.php(1187): Wikimedia\Rdbms\Database->getQueryException(string, integer, string, string)
#1 /var/www/html/includes/libs/rdbms/database/Database.php(1161): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, integer, string, string)
#2 /var/www/html/includes/libs/rdbms/database/Database.php(652): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#3 /var/www/html/includes/libs/rdbms/database/Database.php(1350): Wikimedia\Rdbms\Database->query(Wikimedia\Rdbms\Query, string)
#4 /var/www/html/includes/libs/rdbms/database/Database.php(1359): Wikimedia\Rdbms\Database->select(string, array, array, string, array, array)
#5 /var/www/html/includes/libs/rdbms/database/DBConnRef.php(119): Wikimedia\Rdbms\Database->selectRow(string, array, array, string)
#6 /var/www/html/includes/libs/rdbms/database/DBConnRef.php(369): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#7 /var/www/html/extensions/MathSearch/includes/MathObject.php(690): Wikimedia\Rdbms\DBConnRef->selectRow(string, array, array, string)
#8 /var/www/html/extensions/MathSearch/includes/MathObject.php(165): MathObject->readFromCache()
#9 /var/www/html/extensions/MathSearch/includes/MathObject.php(111): MathObject::constructformpagerow(stdClass)
#10 /var/www/html/extensions/MathSearch/includes/FormulaInfo.php(142): MathObject::constructformpage(integer, string)
#11 /var/www/html/extensions/MathSearch/includes/FormulaInfo.php(45): FormulaInfo->DisplayInfo(integer, string)
#12 /var/www/html/includes/specialpage/SpecialPage.php(718): FormulaInfo->execute(NULL)
#13 /var/www/html/includes/specialpage/SpecialPageFactory.php(1669): MediaWiki\SpecialPage\SpecialPage->run(NULL)
#14 /var/www/html/includes/actions/ActionEntryPoint.php(504): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, MediaWiki\Context\RequestContext)
#15 /var/www/html/includes/actions/ActionEntryPoint.php(145): MediaWiki\Actions\ActionEntryPoint->performRequest()
#16 /var/www/html/includes/MediaWikiEntryPoint.php(199): MediaWiki\Actions\ActionEntryPoint->execute()
#17 /var/www/html/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#18 {main}