Change Details

``` index.php?uselang=en&title=Special%3ABlankPage UnexpectedValueException from line 236 of /workspace/src/includes/Hooks.php: Invalid return from PCRGUIInserts::BeforePageDisplay for unabortable BeforePageDisplay. UnexpectedValueException from line 236 of /workspace/src/includes/Hooks.php: Invalid return from PCRGUIInserts::BeforePageDisplay for unabortable BeforePageDisplay. #0 /workspace/src/includes/OutputPage.php(2447): Hooks::runWithoutAbort(string, array) #1 /workspace/src/includes/MediaWiki.php(874): OutputPage->output(boolean) #2 /workspace/src/includes/MediaWiki.php(886): MediaWiki->{closure}() #3 /workspace/src/includes/MediaWiki.php(524): MediaWiki->main() #4 /workspace/src/index.php(42): MediaWiki->run() ``` **Repro:** comment `check experimental` on dummy change https://gerrit.wikimedia.org/r/#/c/mediawiki/extensions/PCRGUIInserts/+/324111/