slack notification ERROR.

[hdchieh]

notifications:
  # gotify:
  #   webhook: "http://192.168.1.100:8070/message?token=XXXX"
  #   events: ["ADDED_MOVIE","REVISION_MOVIE","FINISH_ALL_FEEDS"] # START_FEED, FINISH_FEED, FINISH_ALL_FEEDS, ADDED_MOVIE, leave empty for all

  slack:
    webhook: "https://hooks.slack.com/services/T053F7S0000/B06A5HE0000/ZWhOdelYpXKhnGqe00000000"
    events: ["ADDED_MOVIE","REVISION_MOVIE","FINISH_ALL_FEEDS"] # START_FEED, FINISH_FEED, FINISH_ALL_FEEDS, ADDED_MOVIE, leave empty for all

I did get notifications. But not completed.

incoming-webhook
Finish processing all feeds, added 1 movies

3:22AM INF [ADDED] Movie 'Les rendez-vous de Paris (1995)' added to radarr. Component=Importer
3:22AM INF Broadcast event Component="Notification Dispatcher" agents=1 event={"Data":{"item":{"CountRatings":2,"Genre":["Comedy","Romance"],"Imdb":"tt0114266","ImdbVotes":2427,"Language":["French"],"Ratings":{"Imdb":7.2,"Metacritic":0,"RottenTomatoes":78},"Runtime":98,"Title":"Les rendez-vous de Paris","Tmdb":0,"Year":1995},"movie":{"addOptions":{"searchForMovie":true},"images":[{"coverType":"poster","url":""},{"coverType":"fanart","url":""}],"imdbId":"tt0114266","isAvailable":true,"minimumAvailability":"Announced","monitored":true,"overview":"Three stories of love and coincidence around the theme of dates in Paris.","qualityProfileId":7,"rootFolderPath":"/movies/","title":"Rendezvous in Paris","titleSlug":"77056","tmdbId":77056,"year":1995},"name":"imdb"},"Type":"ADDED_MOVIE"}
3:22AM ERR Error sending event Component=SlackAgent response=invalid_blocks