=== Error ===
Request URL: https://be-tarask.wikipedia.org/wiki/20th_Century_Fox
Request ID: `XTb7DApAIC0AAGlGmg0AAACC`
```name=message
[XTb7DApAIC0AAGlGmg0AAACC] /wiki/20th_Century_Fox Exception from line 1522 of /srv/mediawiki/php-1.34.0-wmf.14/includes/resourceloader/ResourceLoader.php: JSON serialization of config data failed. This usually means the config data is not valid UTF-8.
```
```name=trace,lines=10
#0 /srv/mediawiki/php-1.34.0-wmf.14/includes/OutputPage.php(3170): ResourceLoader::makeConfigSetScript(array)
#1 /srv/mediawiki/php-1.34.0-wmf.14/includes/skins/Skin.php(683): OutputPage->getBottomScripts()
#2 /srv/mediawiki/php-1.34.0-wmf.14/includes/skins/SkinTemplate.php(457): Skin->bottomScripts()
#3 /srv/mediawiki/php-1.34.0-wmf.14/includes/skins/SkinTemplate.php(217): SkinTemplate->prepareQuickTemplate()
#4 /srv/mediawiki/php-1.34.0-wmf.14/includes/OutputPage.php(2580): SkinTemplate->outputPage()
#5 /srv/mediawiki/php-1.34.0-wmf.14/includes/MediaWiki.php(891): OutputPage->output(boolean)
#6 /srv/mediawiki/php-1.34.0-wmf.14/includes/MediaWiki.php(903): Closure$MediaWiki::main()
#7 /srv/mediawiki/php-1.34.0-wmf.14/includes/MediaWiki.php(515): MediaWiki->main()
#8 /srv/mediawiki/php-1.34.0-wmf.14/index.php(42): MediaWiki->run()
#9 /srv/mediawiki/w/index.php(3): include(string)
#10 {main}
```
=== Impact ===
TBD
=== Notes ===
I'm assuming this is a simple config change that can be fixed in SWAT. Thus, I'm not treating it as a train blocker, but the problem should still be fixed, so I'm marking it as UBN.