We are so sorry to hear this as we never wish our customers to have such an experience.
If you can share the picture of this issue at customer.service@bathroommountain.co.uk so we can get it reviewed and get back to you as soon as possible.
Also, this waste comes with a 1-year warranty and your order is from Dec 2021, still, we will look into this for you.
We shall be waiting for your response.
Kind regards,
IMRAN