Unable to delete ARO Resource Group

Issue

• Unable to delete Resource Group due to authorization failed.

Error message:

Resource ID: /subscriptions/xxxx-xxxx-xxxx-xxxx/resourceGroups/Sample-RGP/providers/Microsoft.RedHatOpenShift/OpenShiftClusters/samplesandbox
Subscription ID: xxxx-xxxx-xxxx-xxxx
Resource Group: tc-test-samplesanbox-rg
Cluster Name: samplesandbox

authorization.RoleAssignmentsClient#Delete: Failure responding to request: StatusCode=403 -- Original Error: autorest/azure: Service returned an error. Status=403 Code="AuthorizationFailed" Message="The client 'xxxx-xxxx-xxxx-xxxx' with object id 'xxxx-xxxx-xxxx-xxxx' does not have authorization to perform action 'Microsoft.Authorization/roleAssignments/delete' over scope '/subscriptions/xxxx-xxxx-xxxx-xxxx/resourceGroups/TC-TEST-SAMPLESANBOX-RG/providers/Microsoft.Authorization/roleAssignments/xxxx-xxxx-xxxx-xxxx' or the scope is invalid. If access was recently granted, please refresh your credentials."