Unable to create new project

In continuation of https://community.ovhcloud.com/community/en/unable-to-create-a-new-project?id=community_question&sys_id=d0a6b9c0855246d01e111c5c94ac5be6

When I try to create new project Ive had error: An error has occurred creating your Public Cloud project. Please try again.

Wow tech support finally answered and they recommend:
```ovh tech support
Please try executing APIs listed below in following order:
1/ POST /order/cart
2/ POST /order/cart/{cartId}/assign
3/ POST /order/cart/{cartId}/cloud
duration* P1M
planCode* project.2018
pricingMode* default
quantity* 1
4/ GET /order/cart/{cartId}/checkout (for check if ok)
5/ POST /order/cart/{cartId}/checkout
waiveRetractationPeriod [x]

If this should turn out to be unsuccessful, please provide me with API call used and error message received.
```
I will try it and see how far I can get