Miele Counter Top Coffee Maker. Insert Drip Tray Message

Insert drip tray and grounds container appear on the coffee machine display.
Possible Solution
*The drip tray and grounds container have not been inserted correctly into the coffee machine.
*Empty the drip tray and grounds container.
*Reinsert the drip tray and grounds container.
*The drip tray pin may be broken off
*Replace the drip tray Cover.