The chain has been shot, so it’s time to replace it.
Also, go to your REAR sprocket. Imagine the sprocket as a time-watch, so at the 3PM mark.
Pull the chain with your hand away from the bike. If you see a GAP between the chain and sprocket. – That’s also telling you the chain is done.
Do you know how old it is and what brand it is ? – Usually the whole set is changed.
// Meditation doesn't mean you have to sit still....