PowerShell Error - Creating Linux App Service Plan

PS C:\Users\User> New-AzureRmResource -ResourceGroupName "contosops" -Location "South Central US" -ResourceType microsoft.web/serverfarms -ResourceName "c
ontosops-linux-asp" -kind linux -Properties @{reserved="true"} -Sku @{name="S1";tier="Standard"; size="S1"; family="S"; capacity="1"} -Force
New-AzureRmResource : {"Code":"Conflict","Message":"Not enough available reserved instance servers to satisfy this request. Currently 0 instances are
available. If you are changing instance size you can reserve up to 0 instances at this moment. If you are increasing instance count then you can add extra 0
instances at this moment. Please get available machines and retry later.","Target":null,"Details":[{"Message":"Not enough available reserved instance servers
to satisfy this request. Currently 0 instances are available. If you are changing instance size you can reserve up to 0 instances at this moment. If you are
increasing instance count then you can add extra 0 instances at this moment. Please get available machines and retry
later."},{"Code":"Conflict"},{"ErrorEntity":{"ExtendedCode":"03009","MessageTemplate":"Not enough available reserved instance servers to satisfy this request.
Currently {0} instances are available. If you are changing instance size you can reserve up to {0} instances at this moment. If you are increasing instance
count then you can add extra {0} instances at this moment. Please get available machines and retry later.","Parameters":["0"],"Code":"Conflict","Message":"Not
enough available reserved instance servers to satisfy this request. Currently 0 instances are available. If you are changing instance size you can reserve up
to 0 instances at this moment. If you are increasing instance count then you can add extra 0 instances at this moment. Please get available machines and retry
later."}}],"Innererror":null}
At line:1 char:1
+ New-AzureRmResource -ResourceGroupName "contosops" -Location "South C ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : CloseError: (:) [New-AzureRmResource], ErrorResponseMessageException
    + FullyQualifiedErrorId : Conflict,Microsoft.Azure.Commands.ResourceManager.Cmdlets.Implementation.NewAzureResourceCmdlet