Error interno

[aEE7bOl_eI_96BSHs4eYFwAAAAg] /index.php/Especial:Contribuciones/DeboraOrellana InvalidArgumentException from line 713 of /var/www/mediawiki/includes/user/User.php: Cannot create a user with no name, no ID, and no actor ID

Backtrace:

#0 /var/www/mediawiki/includes/Block.php(461): User::newFromAnyId(string, string, NULL)
#1 /var/www/mediawiki/includes/Block.php(493): Block->initFromRow(stdClass)
#2 /var/www/mediawiki/includes/Block.php(363): Block::newFromRow(stdClass)
#3 /var/www/mediawiki/includes/Block.php(1196): Block->newLoad(User)
#4 /var/www/mediawiki/includes/specials/SpecialContributions.php(317): Block::newFromTarget(User, User)
#5 /var/www/mediawiki/includes/specials/SpecialContributions.php(114): SpecialContributions->contributionsSub(User)
#6 /var/www/mediawiki/includes/specialpage/SpecialPage.php(569): SpecialContributions->execute(string)
#7 /var/www/mediawiki/includes/specialpage/SpecialPageFactory.php(568): SpecialPage->run(string)
#8 /var/www/mediawiki/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#9 /var/www/mediawiki/includes/MediaWiki.php(860): MediaWiki->performRequest()
#10 /var/www/mediawiki/includes/MediaWiki.php(517): MediaWiki->main()
#11 /var/www/mediawiki/index.php(42): MediaWiki->run()
#12 {main}