Azure OKD 4 Installation problem

When trying to install OKD 4 i get this error message after almost 30 minutes:

ERROR Error: Error creating Blob "rhcossqk72.vhd" (Container "vhd" / Account "clustersqk72"): Error creating storage blob on Azure: Error while uploading source file "/home/chedly/.cache/openshift-installer/image_cache/17fc72fc3c94492707e2104b8dd50d22": Error writing page at offset 61865984 for file "/home/chedly/.cache/openshift-installer/image_cache/17fc72fc3c94492707e2104b8dd50d22": blobs.Client#PutPageUpdate: Failure responding to request: StatusCode=403 -- Original Error: autorest/azure: Service returned an error. Status=403 Code="AuthenticationFailed" Message="Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.\nRequestId:17035133-101e-001e-01e5-7562fe000000\nTime:2021-07-10T23:46:46.3726828Z"
ERROR
ERROR on ../../../../../tmp/openshift-install-724436399/main.tf line 181, in resource "azurerm_storage_blob" "rhcos_image":
ERROR 181: resource "azurerm_storage_blob" "rhcos_image" {
ERROR
ERROR
FATAL failed to fetch Cluster: failed to generate asset "Cluster": failed to create cluster: failed to apply Terraform: failed to complete the change

Note : I have a student subscription in Azure.