ADS Upgrade Error - No Cache

C:\WINDOWS\system32>ampinstmgr --nocache upgrade ADS
[Info] AMP Instance Manager v2.0.8.10 built 15/12/2020 17:10
[Info] Release spec: Release - built by CUBECODERS/buildbot on CCL-DEV
[Error] IM was unable to execute the requested command.
[Error] TargetInvocationException
[Error] [0] (TargetInvocationException) : Exception has been thrown by the target of an invocation.
[Error]    at InstanceManagerCLI.Core.ExecuteCommand(List`1 Params, Dictionary`2 Args)
[Error] MissingMethodException
[Error] [1] (MissingMethodException) : Method not found: 'System.Threading.Tasks.Task`1<Boolean> InstanceManagerPlugin.LocalInstanceManager.UpgradeInstance(System.Guid, Boolean, Boolean)'.
[Error]    at InstanceManagerCLI.Core.<UpgradeInstance>()
   at InstanceManagerCLI.Core.UpgradeInstance(String InstanceName, Boolean restartIfRunning)