[{reqId}] {exception_url}   MWException: CAS update failed on user_touched. The version of the user to be saved is older than the current version.

from /srv/mediawiki/php-1.39.0-wmf.7/includes/user/User.php(2821)
#0 /srv/mediawiki/php-1.39.0-wmf.7/includes/libs/rdbms/database/Database.php(4461): User->{closure}(Wikimedia\Rdbms\DatabaseMysqli, string)
#1 /srv/mediawiki/php-1.39.0-wmf.7/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->doAtomicSection(string, Closure)
#2 /srv/mediawiki/php-1.39.0-wmf.7/includes/libs/rdbms/database/DBConnRef.php(605): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#3 /srv/mediawiki/php-1.39.0-wmf.7/includes/user/User.php(2833): Wikimedia\Rdbms\DBConnRef->doAtomicSection(string, Closure)
#4 /srv/mediawiki/php-1.39.0-wmf.7/includes/specials/SpecialEmailInvalidate.php(84): User->saveSettings()
#5 /srv/mediawiki/php-1.39.0-wmf.7/includes/specials/SpecialEmailInvalidate.php(61): SpecialEmailInvalidate->attemptInvalidate(string)
#6 /srv/mediawiki/php-1.39.0-wmf.7/includes/specialpage/SpecialPage.php(672): SpecialEmailInvalidate->execute(string)
#7 /srv/mediawiki/php-1.39.0-wmf.7/includes/specialpage/SpecialPageFactory.php(1383): SpecialPage->run(string)
#8 /srv/mediawiki/php-1.39.0-wmf.7/includes/MediaWiki.php(316): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, RequestContext)
#9 /srv/mediawiki/php-1.39.0-wmf.7/includes/MediaWiki.php(912): MediaWiki->performRequest()
#10 /srv/mediawiki/php-1.39.0-wmf.7/includes/MediaWiki.php(566): MediaWiki->main()
#11 /srv/mediawiki/php-1.39.0-wmf.7/index.php(50): MediaWiki->run()
#12 /srv/mediawiki/php-1.39.0-wmf.7/index.php(46): wfIndexMain()
#13 /srv/mediawiki/w/index.php(3): require(string)
#14 {main}