Fixed: Ignore invalid tags in CustomScript/Discord/Webhook

src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs

@@ -69,7 +69,7 @@ namespace NzbDrone.Core.Notifications.CustomScript
             environmentVariables.Add("Radarr_Movie_Year", movie.MovieMetadata.Value.Year.ToString());
             environmentVariables.Add("Radarr_Movie_OriginalLanguage", IsoLanguages.Get(movie.MovieMetadata.Value.OriginalLanguage).ThreeLetterCode);
             environmentVariables.Add("Radarr_Movie_Genres", string.Join("|", movie.MovieMetadata.Value.Genres));
-            environmentVariables.Add("Radarr_Movie_Tags", string.Join("|", movie.Tags.Select(t => _tagRepository.Get(t).Label)));
+            environmentVariables.Add("Radarr_Movie_Tags", string.Join("|", movie.Tags.Select(t => _tagRepository.Find(t)?.Label).Where(l => l.IsNotNullOrWhiteSpace())));
             environmentVariables.Add("Radarr_Movie_ImdbId", movie.MovieMetadata.Value.ImdbId ?? string.Empty);
             environmentVariables.Add("Radarr_Movie_TmdbId", movie.MovieMetadata.Value.TmdbId.ToString());
             environmentVariables.Add("Radarr_Movie_In_Cinemas_Date", movie.MovieMetadata.Value.InCinemas.ToString() ?? string.Empty);

src/NzbDrone.Core/Notifications/Discord/Discord.cs

@@ -625,7 +625,11 @@ namespace NzbDrone.Core.Notifications.Discord
 
         private IEnumerable<string> GetTagLabels(Movie movie)
         {
-            return movie.Tags?.Select(t => _tagRepository.Get(t)?.Label).OrderBy(t => t).Take(5);
+            return movie.Tags?
+                .Select(t => _tagRepository.Find(t)?.Label)
+                .Where(l => l.IsNotNullOrWhiteSpace())
+                .OrderBy(l => l)
+                .Take(5);
         }
     }
 }

src/NzbDrone.Core/Notifications/Webhook/WebhookBase.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles;
@@ -253,7 +254,10 @@ namespace NzbDrone.Core.Notifications.Webhook
 
         private IEnumerable<string> GetTagLabels(Movie movie)
         {
-            return movie.Tags?.Select(t => _tagRepository.Get(t)?.Label).OrderBy(t => t);
+            return movie.Tags?
+                .Select(t => _tagRepository.Find(t)?.Label)
+                .Where(l => l.IsNotNullOrWhiteSpace())
+                .OrderBy(l => l);
         }
     }
 }