Looker Studio Pro: Impossible to get Looker Studio Pro (LSP)

Hello everyone,

I tried to subscribe without success to get a pro licence. I created a project, I linked this project to my billing account, I am owner- Looker Studio Pro Manager-Looker Administrator but, but, but I can’t still get a licence from https://console.cloud.google.com/looker-studio/home. Can you help me please?

Thank you in advance,