I am trying to create a Sql Backup item on a RSV, however I am getting this error for this particular command: Enable-AzRecoveryServicesBackupProtection -Policy $backupPolicy -ResourceGroupName $resourceGroupName -Name $enablename

Question

# Get the Recovery Services Vault details
$vault = Get-AzRecoveryServicesVault -ResourceGroupName $resourceGroupName | Where-Object { $_.Name -eq $rsv }
Set-AzRecoveryServicesVaultContext -Vault $vault

# Wait for some time to ensure the vault context is set (adjust if necessary)
Start-Sleep -Seconds 20

# Get the discovered SQL instances
$containers = Get-AzRecoveryServicesBackupContainer -BackupManagementType AzureWorkload -ContainerType AzureVMAppContainer
$sqlInstance = $containers | Where-Object { $_.FriendlyName -eq $vmName }

if ($sqlInstance -eq $null) {
    Write-Output "No SQL instances found in the VM $vmName."
} else {
    # Get the backup policy
    $backupPolicy = Get-AzRecoveryServicesBackupProtectionPolicy | Where-Object { $_.Name -eq $backupPolicyName -and $_.BackupManagementType -eq "AzureWorkload" }
    #$backupPolicy.GetType().FullName
    if ($backupPolicy -eq $null) {
        Write-Output "Backup policy $backupPolicyName not found."
    } else {
        # Enable backup protection for the discovered SQL instance
        $enablename = $sqlInstance.FriendlyName
        Enable-AzRecoveryServicesBackupProtection -Policy $backupPolicy -ResourceGroupName $resourceGroupName -Name $enablename

        # Turn on Autoprotect for the discovered SQL instance
        Set-AzRecoveryServicesBackupAutoProtection -ResourceGroupName $resourceGroupName -Container $sqlInstance -EnableAutoProtection $true

        Write-Output "Backup configuration completed successfully."
    }
}

Enable-AzRecoveryServicesBackupProtection -Policy $backupPolicy -ResourceGroupName $resourceGroupName -Name $enablename
or in this manner the same error
Enable-AzRecoveryServicesBackupProtection : The current operation failed due to an internal service error "Invalid input error". Please retry the operation after some time. If the issue persists, please contact Microsoft support.

Enable-AzRecoveryServicesBackupProtection : The current operation failed due to an internal service error "Invalid input error". Please retry the operation

after some time. If the issue persists, please contact Microsoft support.

At line:1 char:1

• Enable-AzRecoveryServicesBackupProtection -Policy $policyToUse -Resou ...

• 
      + CategoryInfo          : InvalidOperation: (:) [Enable-AzRecove...ackupProtection], CloudException
  
      + FullyQualifiedErrorId : CloudInvalidInputError,Microsoft.Azure.Commands.RecoveryServices.Backup.Cmdlets.EnableAzureRmRecoveryServicesBackupProtection