Exception encountered, of type "InvalidArgumentException"
[0fc38721] /wiki/Shanghai InvalidArgumentException from line 33 of /vagrant/mediawiki/extensions/WikidataBuildResources/vendor/wikibase/data-model/src/Entity/PropertyId.php: $idSerialization must match /^P[1-9]\d*$/i
Backtrace:
#0 /vagrant/mediawiki/extensions/WikidataBuildResources/vendor/wikibase/data-model/src/Entity/PropertyId.php(23): Wikibase\DataModel\Entity\PropertyId->assertValidIdFormat(string)
#1 /vagrant/mediawiki/extensions/WikidataPageBanner/includes/WikidataPageBanner.hooks.php(275): Wikibase\DataModel\Entity\PropertyId->__construct(string)
#2 /vagrant/mediawiki/extensions/WikidataPageBanner/includes/WikidataPageBanner.hooks.php(22): WikidataPageBanner::getWikidataBanner(Title)
#3 [internal function]: WikidataPageBanner::addBanner(OutputPage, SkinVector)
#4 /vagrant/mediawiki/includes/Hooks.php(204): call_user_func_array(string, array)
#5 /vagrant/mediawiki/includes/OutputPage.php(2309): Hooks::run(string, array)
#6 /vagrant/mediawiki/includes/MediaWiki.php(685): OutputPage->output()
#7 /vagrant/mediawiki/includes/MediaWiki.php(474): MediaWiki->main()
#8 /vagrant/mediawiki/index.php(41): MediaWiki->run()
#9 /var/www/w/index.php(5): require(string)
#10 {main}