https://en.wiktionary.org/w/index.php?title=Wyvern&action=edit
````
[XM5xIQpAIEIAAHdQDLEAAABH] 2019-05-05 05:14:09: Wikimedia\Assert\ParameterAssertionException from line 63 of /srv/mediawiki/php-1.34.0-wmf.3/vendor/wikimedia/assert/src/Assert.php: Bad value for parameter $dbkey: should not be empty unless namespace is main and fragment is non-empty
#0 /srv/mediawiki/php-1.34.0-wmf.3/includes/title/TitleValue.php(107): Wikimedia\Assert\Assert::parameter(boolean, string, string)
#1 /srv/mediawiki/php-1.34.0-wmf.3/includes/Linker.php(1021): TitleValue->__construct(integer, string)
#2 /srv/mediawiki/php-1.34.0-wmf.3/includes/Linker.php(951): Linker::userTalkLink(integer, string)
#3 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogFormatter.php(768): Linker::userToolLinks(integer, string, boolean, integer, NULL, boolean)
#4 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogFormatter.php(674): LogFormatter->makeUserLink(User)
#5 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogFormatter.php(552): LogFormatter->getPerformerElement()
#6 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/MoveLogFormatter.php(50): LogFormatter->getMessageParameters()
#7 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogFormatter.php(465): MoveLogFormatter->getMessageParameters()
#8 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogFormatter.php(440): LogFormatter->getActionMessage()
#9 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogEventsList.php(397): LogFormatter->getActionText()
#10 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogPager.php(397): LogEventsList->logLine(stdClass)
#11 /srv/mediawiki/php-1.34.0-wmf.3/includes/pager/IndexPager.php(490): LogPager->formatRow(stdClass)
#12 /srv/mediawiki/php-1.34.0-wmf.3/includes/logging/LogEventsList.php(689): IndexPager->getBody()
#13 /srv/mediawiki/php-1.34.0-wmf.3/includes/EditPage.php(2662): LogEventsList::showLogExtract(OutputPage, array, Title, string, array)
#14 /srv/mediawiki/php-1.34.0-wmf.3/includes/EditPage.php(677): EditPage->showIntro()
#15 /srv/mediawiki/php-1.34.0-wmf.3/includes/actions/EditAction.php(60): EditPage->edit()
#16 /srv/mediawiki/php-1.34.0-wmf.3/includes/MediaWiki.php(499): EditAction->show()
#17 /srv/mediawiki/php-1.34.0-wmf.3/includes/MediaWiki.php(294): MediaWiki->performAction(Article, Title)
#18 /srv/mediawiki/php-1.34.0-wmf.3/includes/MediaWiki.php(865): MediaWiki->performRequest()
#19 /srv/mediawiki/php-1.34.0-wmf.3/includes/MediaWiki.php(515): MediaWiki->main()
#20 /srv/mediawiki/php-1.34.0-wmf.3/index.php(42): MediaWiki->run()
#21 /srv/mediawiki/w/index.php(3): include(string)
#22 {main}
```