=== Error ===
Request URL: POST testwiki `/w/api.php`
Request ID: `XQul7ApAMDkAAKFM-pgAAAAP`
```name=message
PHP Fatal Error from line 176 of /srv/mediawiki/php-1.34.0-wmf.10/extensions/GrowthExperiments/includes/HelpPanel/QuestionPoster.php: Argument 1 passed to GrowthExperiments\HelpPanel\QuestionPoster::runEditFilterMergedContentHook() must implement interface Content, null given
```
```name=trace,lines=10
#0 /srv/mediawiki/php-1.34.0-wmf.10/extensions/GrowthExperiments/includes/HelpPanel/QuestionPoster.php(176): NO_FUNCTION_GIVEN()
#1 /srv/mediawiki/php-1.34.0-wmf.10/extensions/GrowthExperiments/includes/HelpPanel/QuestionPoster.php(117): GrowthExperiments\HelpPanel\QuestionPoster->checkPermissions()
#2 /srv/mediawiki/php-1.34.0-wmf.10/extensions/GrowthExperiments/includes/Api/ApiHelpPanelPostQuestion.php(70): GrowthExperiments\HelpPanel\QuestionPoster->submit()
#3 /srv/mediawiki/php-1.34.0-wmf.10/includes/api/ApiMain.php(1595): GrowthExperiments\Api\ApiHelpPanelPostQuestion->execute()
#4 /srv/mediawiki/php-1.34.0-wmf.10/includes/api/ApiMain.php(531): ApiMain->executeAction()
#5 /srv/mediawiki/php-1.34.0-wmf.10/includes/api/ApiMain.php(502): ApiMain->executeActionWithErrorHandling()
#6 /srv/mediawiki/php-1.34.0-wmf.10/api.php(87): ApiMain->execute()
#7 /srv/mediawiki/w/api.php(3): include(string)
#8 {main}
```
=== Impact ===
The request was aborted and served HTTP 500 response. It is likely deterministic and would mean feature is not available to users.
=== Notes ===
Started with 1.34-wmf.10 (currently group0 only).