diff --git a/TBF/Rig/Sequences/SequenceBase.cs b/TBF/Rig/Sequences/SequenceBase.cs
index 22eced42d..15624bf4a 100644
--- a/TBF/Rig/Sequences/SequenceBase.cs
+++ b/TBF/Rig/Sequences/SequenceBase.cs
@@ -2064,14 +2064,24 @@ namespace TBF.Rig.Sequences
                 log.FatalFormat("   Feeding path: {0}", (inPath != null) ? inPath.ToString() : "none");
                 log.FatalFormat("   Bench path: {0}", (benchPath != null) ? benchPath.ToString() : "none");
                 log.FatalFormat("   Output path: {0}", (outPath != null) ? outPath.ToString() : "none");
-                if (inPath != null && inPath.Pump is IPump) log.FatalFormat("   Pump power: {0}%", (inPath.Pump as IPump).Power);
-                else if (inPath != null && inPath.Pump is IValve) log.FatalFormat("   Feeding valve: {0}", (inPath.Pump as IValve).State ? "open" : "close");
-                if (outPath.RegulValve is IRegValve) log.FatalFormat("   Regulation valve position: {0}%", outPath.RegulValve.Position);
                 log.FatalFormat("   Flow: {0}", RefFlow);
                 log.FatalFormat("   Mass: {0}", Mass);
                 log.FatalFormat("   Start mass: {0}", StartMass);
                 log.FatalFormat("   Liter/ref.pulse: {0}", LtrPerRefPulse);
                 log.FatalFormat("   Reference pulses: {0}", RefPulses);
+                try
+                {
+                    if (inPath != null)
+                    {
+                        if (inPath.Pump is IPump) log.FatalFormat("   Pump power: {0}%", (inPath.Pump as IPump).Power);
+                        else if (inPath.Pump is IValve) log.FatalFormat("   Feeding valve: {0}", (inPath.Pump as IValve).State ? "open" : "close");
+                    }
+                    if (outPath != null && outPath.RegulValve is IRegValve) log.FatalFormat("   Regulation valve position: {0}%", outPath.RegulValve.Position);
+                }
+                catch (Exception ex)
+                {
+                    log.FatalFormat($"   SequenceBase.TestAndLogUiCmdStop error: {ex.Message}");
+                }
             }
 
             return true;