Nevermind, bad idea. Just add the checks

fifo/task.py

@@ -272,13 +272,14 @@ class Task:
         actual_message: Optional[discord.Message] = channel.last_message
         # I'd like to present you my chain of increasingly desperate message fetching attempts
         if actual_message is None:
-            # Skip this one, never goes well
+            # log.warning("No message found in channel cache yet, skipping execution")
-            # try:
+            # return
-            #     actual_message = await channel.fetch_message(channel.last_message_id)
+            if channel.last_message_id is not None:
-            # except discord.NotFound:
+                try:
-            #     actual_message = None
+                    actual_message = await channel.fetch_message(channel.last_message_id)
-            # if actual_message is None:  # last_message_id was an invalid message I guess
+                except discord.NotFound:
-
+                    actual_message = None
+            if actual_message is None:  # last_message_id was an invalid message I guess
                 actual_message = await channel.history(limit=1).flatten()
                 if not actual_message:  # Basically only happens if the channel has no messages
                     actual_message = await author.history(limit=1).flatten()