Handle a channel being deleted after entered into database.

cogs/clan_messages/__init__.py

@@ -135,7 +135,14 @@ class ClanMessages(commands.Cog, name="Clan Messages"):
             session.commit()
             return ret_channel
 
-        return await guild.fetch_channel(channel_id)
+        try:
+            return await guild.fetch_channel(channel_id)
+        except nextcord.NotFound:
+            # the channel was deleted for some reason
+            return await guild.create_text_channel(
+                channel_name,
+                reason="Creating channel as required for by design of Dakiny-Messages repo.",
+            )
 
     def repo_setup(self):
         """