Error when trying to create a Single head node cluster for Windows workloads with existing Active Directory Domain

Greetings team, I am trying to create a Single head node cluster for Windows workloads with existing Active Directory Domain, i have used the blue button to deploy it directly in Azure, but i have the same error:

ARM Template:
```
{
"code": "DeploymentFailed",
"target": "/subscriptions/a9ee9b59-0e4c-4e3e-b727-f903a55ea19d/resourceGroups/rg-uat-eus-xyz-01/providers/Microsoft.Resources/deployments/XYZUATHED001",
"message": "At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-deployment-operations for usage details.",
"details": [
{
"code": "InvalidTemplate",
"message": "Unable to process template language expressions for resource '/subscriptions/a9ee9b59-0e4c-4e3e-b727-f903a55ea19d/resourceGroups/rg-uat-eus-xyz-01/providers/Microsoft.Resources/deployments/msiVNetRoleAssignmentXYZUATHED001' at line '1' and column '13776'. 'The language expression property 'identity' doesn't exist, available properties are 'apiVersion, location, tags, properties, condition, deploymentResourceLineInfo, isConditionTrue, subscriptionId, resourceGroupName, scope, resourceId, referenceApiVersion, existing, onlyIfNotExists, isTemplateResource, isAction, isExtensibleResourceReference, provisioningOperation'.'",
"additionalInfo": [
{
"type": "TemplateViolation",
"info": {
"lineNumber": 1,
"linePosition": 13776,
"path": ""
}
}
]
}
]
}
```

Bicep template:
`{"status":"Failed","error":{"code":"DeploymentFailed","target":"/subscriptions/a9ee9b59-0e4c-4e3e-b727-f903a55ea19d/resourceGroups/rg-uat-eus-xyz-01/providers/Microsoft.Resources/deployments/new-1hn-wincn-existing-ad","message":"At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-deployment-operations for usage details.","details":[{"code":"ResourceDeploymentFailure","target":"/subscriptions/a9ee9b59-0e4c-4e3e-b727-f903a55ea19d/resourceGroups/rg-uat-eus-xyz-01/providers/Microsoft.Resources/deployments/XYZUATHED001","message":"The resource write operation failed to complete successfully, because it reached terminal provisioning state 'Failed'.","details":[{"code":"DeploymentFailed","target":"/subscriptions/a9ee9b59-0e4c-4e3e-b727-f903a55ea19d/resourceGroups/rg-uat-eus-xyz-01/providers/Microsoft.Resources/deployments/XYZUATHED001","message":"At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-deployment-operations for usage details.","details":[{"code":"InvalidTemplate","message":"Unable to process template language expressions for resource '/subscriptions/a9ee9b59-0e4c-4e3e-b727-f903a55ea19d/resourceGroups/rg-uat-eus-xyz-01/providers/Microsoft.Resources/deployments/msiVNetRoleAssignmentXYZUATHED001' at line '1' and column '13755'. 'The language expression property 'identity' doesn't exist, available properties are 'apiVersion, location, tags, properties, condition, deploymentResourceLineInfo, isConditionTrue, subscriptionId, resourceGroupName, scope, resourceId, referenceApiVersion, existing, onlyIfNotExists, isTemplateResource, isAction, isExtensibleResourceReference, provisioningOperation'.'","additionalInfo":[{"type":"TemplateViolation","info":{"lineNumber":1,"linePosition":13755,"path":""}}]}]}]}]}}`

can you please check, if i remove the vnetRoleAssignment block it works, but i have to do it manually.
Thanks