fix embed queue

Catalogger.Backend/Database/Queries/MessageRepository.cs

@@ -21,7 +21,9 @@ public class MessageRepository(ILogger logger, DatabaseContext db, IEncryptionSe
             ChannelId = msg.ChannelID.ToUlong(),
             GuildId = msg.GuildID.ToUlong(),
 
-            EncryptedContent = await Task.Run(() => encryptionService.Encrypt(msg.Content), ct),
+            EncryptedContent =
+                await Task.Run(
+                    () => encryptionService.Encrypt(string.IsNullOrWhiteSpace(msg.Content) ? "None" : msg.Content), ct),
             EncryptedUsername = await Task.Run(() => encryptionService.Encrypt(msg.Author.Tag()), ct),
             AttachmentSize = msg.Attachments.Select(a => a.Size).Sum()
         };

Catalogger.Backend/Database/Queries/QueryExtensions.cs

@@ -16,7 +16,7 @@ public static class QueryExtensions
         CancellationToken ct = default)
     {
         var guild = await db.Guilds.FindAsync(id);
-        if (guild == null) throw new Exception("oh");
+        if (guild == null) throw new CataloggerError("Guild not found, was not initialized during guild create");
         return guild;
     }
 }