=== Error ===
Request ID: `AWmcomha8aQffZ3H9FZs`
```name=message
PHP Warning: count(): Parameter must be an array or an object that implements Countable
```
```name=trace,lines=10
#0 /srv/mediawiki/php-1.33.0-wmf.22/includes/parser/BlockLevelPass.php(202): MWExceptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/php-1.33.0-wmf.22/includes/parser/BlockLevelPass.php(52): BlockLevelPass->execute()
#2 /srv/mediawiki/php-1.33.0-wmf.22/includes/parser/Parser.php(2555): BlockLevelPass::doBlockLevels(string, boolean)
#3 /srv/mediawiki/php-1.33.0-wmf.22/includes/parser/Parser.php(1415): Parser->doBlockLevels(string, boolean)
#4 /srv/mediawiki/php-1.33.0-wmf.22/includes/parser/Parser.php(485): Parser->internalParseHalfParsed(string, boolean, boolean)
#5 /srv/mediawiki/php-1.33.0-wmf.22/includes/cache/MessageCache.php(1260): Parser->parse(string, Title, ParserOptions, boolean)
#6 /srv/mediawiki/php-1.33.0-wmf.22/includes/Message.php(1265): MessageCache->parse(string, Title, boolean, boolean, LanguageEn)
#7 /srv/mediawiki/php-1.33.0-wmf.22/includes/Message.php(890): Message->parseText(string)
#8 /srv/mediawiki/php-1.33.0-wmf.22/includes/Message.php(943): Message->toString(string)
#9 /srv/mediawiki/php-1.33.0-wmf.22/includes/EditPage.php(3614): Message->parse()
#10 /srv/mediawiki/php-1.33.0-wmf.22/includes/EditPage.php(2980): EditPage->showEditTools()
#11 /srv/mediawiki/php-1.33.0-wmf.22/includes/EditPage.php(719): EditPage->showEditForm()
#12 /srv/mediawiki/php-1.33.0-wmf.22/includes/actions/EditAction.php(60): EditPage->edit()
#13 /srv/mediawiki/php-1.33.0-wmf.22/includes/MediaWiki.php(501): EditAction->show()
#14 /srv/mediawiki/php-1.33.0-wmf.22/includes/MediaWiki.php(294): MediaWiki->performAction(Article, Title)
#15 /srv/mediawiki/php-1.33.0-wmf.22/includes/MediaWiki.php(867): MediaWiki->performRequest()
#16 /srv/mediawiki/php-1.33.0-wmf.22/includes/MediaWiki.php(517): MediaWiki->main()
#17 /srv/mediawiki/php-1.33.0-wmf.22/index.php(42): MediaWiki->run()
#18 /srv/mediawiki/w/index.php(3): require(string)
#19 {main}
```
=== Impact ===
=== Notes ===