erro ao criar a VM | Microsoft AZ-900 parte 1: Azure Fundamentals

erro ao criar a VM

{"error":{"code":"InvalidTemplateDeployment","message":"The template deployment failed with error: 'The resource with id: '/subscriptions/280d96b5-1083-4ad2-ac33-75fbec095567/resourceGroups/labazcli/providers/Microsoft.Compute/virtualMachines/MyVml' failed validation with message: 'The requested size for resource '/subscriptions/280d96b5-1083-4ad2-ac33-75fbec095567/resourceGroups/labazcli/providers/Microsoft.Compute/virtualMachines/MyVml' is currently not available in location 'westus' zones '' for subscription '280d96b5-1083-4ad2-ac33-75fbec095567'. Please try another size or deploy to a different location or zones. See https://aka.ms/azureskunotavailable for details.'.'."}}