Un composant a rencontré une exception lors du traitement d'un message du bus
TypeError: Cannot read property 'get' of null
TypeError: Cannot read property 'get' of null
at constructor._onMessageDeleted (http://intranet.gigi.anyware.corp/cms/plugins/newsletter/resources/js/Ametys/plugins/newsletter/NewslettersTool.js:180:55)
at constructor.fire (http://intranet.gigi.anyware.corp/cms/plugins/core-ui/resources/js/Ametys/message/MessageBus.js:170:29)