Photoshop remove tool, eraser AI

Hello,

When I want to use Photoshop's new AI erase tool, whatever layer I'm on, the mouse displays a no-go icon.

I haven't found a solution to this problem, if anyone has one.

Thank you.

Mac OS Sequoia 15.1.1 Photoshop 26.1.0
Apple MacBookPro M2 Max 64Go