1 files changed, 2 insertions, 0 deletions
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs
index 72e43d7b0..ab5d2ebb1 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs
@@ -405,6 +405,8 @@ namespace Tango.MachineStudio.Technician.ViewModels
         /// <param name="data">The data.</param>
         private void PopulateDiagnosticsData(StartDiagnosticsResponse data)
         {
+            if (data.Monitors == null) return;
+
             TimeSpan delta_base = DateTime.Now - _start_time;
             TimeSpan delta = (DateTime.Now - _last_time);
             double delta_mili = delta.TotalMilliseconds;