PHP Notice: Undefined index: query
from /srv/mediawiki/php-1.36.0-wmf.27/extensions/Echo/includes/api/ApiEchoUnreadNotificationPages.php(174) #0 /srv/mediawiki/php-1.36.0-wmf.27/extensions/Echo/includes/api/ApiEchoUnreadNotificationPages.php(174): MWExceptionHandler::handleError(integer, string, string, integer, array) #1 /srv/mediawiki/php-1.36.0-wmf.27/extensions/Echo/includes/api/ApiEchoUnreadNotificationPages.php(38): ApiEchoUnreadNotificationPages->getUnreadNotificationPagesFromForeign() #2 /srv/mediawiki/php-1.36.0-wmf.27/includes/api/ApiQuery.php(269): ApiEchoUnreadNotificationPages->execute() #3 /srv/mediawiki/php-1.36.0-wmf.27/includes/api/ApiMain.php(1612): ApiQuery->execute() #4 /srv/mediawiki/php-1.36.0-wmf.27/includes/api/ApiMain.php(592): ApiMain->executeAction() #5 /srv/mediawiki/php-1.36.0-wmf.27/includes/api/ApiMain.php(563): ApiMain->executeActionWithErrorHandling() #6 /srv/mediawiki/php-1.36.0-wmf.27/api.php(90): ApiMain->execute() #7 /srv/mediawiki/php-1.36.0-wmf.27/api.php(45): wfApiMain() #8 /srv/mediawiki/w/api.php(3): require(string) #9 {main}
Notes
These started happening on Jan 20, 2021. About 25 per day.