Maybe check the pool website for the current settings port....etc may have changed.
Maybe provide the settings you are using so we can see if there is something incorrect.
Good idea! Let me see if I can attach some screenshots for my litecoinpool settings at least and the Kernal Log.
https://ibb.co/hHDD2HChttps://ibb.co/VLN87tCThe pool you are trying to mine too does not exist. At least not that i can find anywhere....