I am getting below error message while trying to profile a custom workflow assembly.
Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object.
at PluginProfiler.Library.WorkflowXamlUtility.InstrumentStep(XmlNode activityNode, XmlNamespaceManager ns, InstrumentedStepConfiguration step, String workflowAssemblyName)
at PluginProfiler.Library.WorkflowXamlUtility.InstrumentXaml(CrmServiceClient service, String xaml, IList`1 steps)
at PluginProfiler.Library.ProfilerManagementUtility.EnableWorkflow(CrmServiceClient service, String overrideKeyFileName, Guid workflowId, Boolean persistToEntity, String persistenceSessionKey, Boolean includeSecureInformation, Boolean isContextReplay, CustomActivityStep[] workflowSteps)
at Microsoft.Crm.Tools.PluginRegistration.CommonControls.ProfilerSettingsViewModel.btnOk_Click()
