vmss-hci error during solutoin upgrade

During solution update from 10.2405.2.7 to 10.2405.3.7

<Raw>CloudEngine.Actions.InterfaceInvocationFailedException: Type

                         'UpdateArbAndExtensions' of Role 'MocArb' raised an exception:

                         

                         [Update-k8sExtensionInternal] ERROR: (ResourceNotFound) Extension instance with name 

                         'vmss-hci' not found. at 

                          at Update-k8sExtensionInternal, C:\NugetStore\Microsoft.AzureStack.MocArb.LifeCycle.1.240

                         5.1.1\content\Scripts\MocArbHelper.psm1: line 1882

                         at UpgradeArbAndExtensionsInternal, C:\NugetStore\Microsoft.AzureStack.MocArb.LifeCycle.1.

                         2405.1.1\content\Scripts\MocArbHelper.psm1: line 2237

                         at UpdateArbAndExtensions, C:\NugetStore\Microsoft.AzureStack.MocArb.LifeCycle.1.2405.1.1\

                         content\Scripts\MocArbLifeCycleManager.psm1: line 264

                         at <ScriptBlock>, C:\Agents\Microsoft.AzureStack.Solution.ECEWinService.10.2405.3.55

                         5\content\ECEWinService\InvokeInterfaceInternal.psm1: line 134

                         at Invoke-EceInterfaceInternal, C:\Agents\Microsoft.AzureStack.Solution.ECEWinService.10.2

                         405.3.555\content\ECEWinService\InvokeInterfaceInternal.psm1: line 130

                         Command                         Arguments                                                 

                                                       

                         -------                         ---------                                                 

                                                       

                         Update-k8sExtensionInternal   

Any ideas?