Cannot assign cores to a parachain

I have purchased 2 cores on Westend which I want to assign to parachain 2022 to test Elastic Scaling. I am getting this error when trying to add the task.

2022 already has a core and it is running nicely.

<img width="1131" alt="Image" src="https://github.com/user-attachments/assets/f3f052d3-5b58-4ab6-9d55-daaa22db3000" />