This is a situation that may happen when you transfer equipment from one boat to another, or when you create a new equipment from an existing equipment on your FLEET to save time on the configuration.
1. Go to "Equipment"
2. Select the equipment concerned
3. At the top right, choose the blue icon “Transfer this equipment”
4. Select the boat that you want to transfer the equipment to.
Completed 🎉 Your equipment is now attached to another ship.