Hi Abo,
In your case, Current Cpu limit is 4 in the regional Quota (West Europe).
You can submit a request for Quota increase to Microsoft. (The URL is provided in the error message)
This article can help understanding this.
https://learn.microsoft.com/en-us/azure/quotas/regional-quota-requests
Hint: can you try another region (US for instance)
It may be a shortage of resources in the selected region.
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