User Brunter from ru.wikipedia reports an error in the notification
https://ru.wikipedia.org/w/index.php?title=%D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A4%D0%BE%D1%80%D1%83%D0%BC/%D0%A2%D0%B5%D1%85%D0%BD%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B9&oldid=77032299#.D0.9E.D1.88.D0.B8.D0.B1.D0.BA.D0.B0_.D0.B2_.D1.83.D0.B2.D0.B5.D0.B4.D0.BE.D0.BC.D0.BB.D0.B5.D0.BD.D0.B8.D1.8F.D1.85
{F3614675}
"The day after the registration of such a thing happened.
If you click on "All Notifications", the following text is displayed: Exception encountered, of type "BadMethodCallException". In other language this error is not displayed"
```
2016-03-09 20:47:46 mw1136 ruwiki 1.27.0-wmf.15 exception ERROR: [fcc5f9ba] /w/api.php?action=query&format=json¬sections=alert&meta=notifications¬groupbysection=1¬messageunreadfirst=1¬format=model¬limit=25¬prop=index%7Clist%7Ccount&uselang=ru&_=1457556461287 BadMethodCallException from line 15 of /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/formatters/EditThresholdPresentationModel.php: Call to a member function getLocalURL() on a non-object (NULL) {"exception_id":"fcc5f9ba"}
[Exception BadMethodCallException] (/srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/formatters/EditThresholdPresentationModel.php:15) Call to a member function getLocalURL() on a non-object (NULL)
#0 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/formatters/EventPresentationModel.php(371): EchoEditThresholdPresentationModel->getPrimaryLink()
#1 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/formatters/EchoModelFormatter.php(13): EchoEventPresentationModel->jsonSerialize()
#2 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/formatters/EchoEventFormatter.php(30): EchoModelFormatter->formatModel(EchoEditThresholdPresentationModel)
#3 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/DataOutputFormatter.php(142): EchoEventFormatter->format(EchoEvent)
#4 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/DataOutputFormatter.php(117): EchoDataOutputFormatter::formatNotification(EchoEvent, User, string, LanguageRu)
#5 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/api/ApiEchoNotifications.php(219): EchoDataOutputFormatter::formatOutput(EchoNotification, string, User, LanguageRu)
#6 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/api/ApiEchoNotifications.php(129): ApiEchoNotifications->getPropList(User, array, array, integer, NULL, string, boolean)
#7 /srv/mediawiki/php-1.27.0-wmf.15/extensions/Echo/includes/api/ApiEchoNotifications.php(49): ApiEchoNotifications->getSectionPropList(User, string, array, integer, NULL, string, boolean)
#8 /srv/mediawiki/php-1.27.0-wmf.15/includes/api/ApiQuery.php(277): ApiEchoNotifications->execute()
#9 /srv/mediawiki/php-1.27.0-wmf.15/includes/api/ApiMain.php(1359): ApiQuery->execute()
#10 /srv/mediawiki/php-1.27.0-wmf.15/includes/api/ApiMain.php(462): ApiMain->executeAction()
#11 /srv/mediawiki/php-1.27.0-wmf.15/includes/api/ApiMain.php(433): ApiMain->executeActionWithErrorHandling()
#12 /srv/mediawiki/php-1.27.0-wmf.15/api.php(83): ApiMain->execute()
#13 /srv/mediawiki/w/api.php(3): include(string)
#14 {main}
```