The notice from Seller Performance indicates that your selling privileges were removed due to a high late dispatch rate, and your customer metrics show that the late shipment rate does not meet our performance target.
Action: After you've dispatched your orders and confirmed 100% of the shipments, you could review your feedback and order fulfilment practices. You may find that the shipping lead times you set may have been too short. Your Plan of Action may include changing those lead times to something more realistic for your fulfilment processes.