From a66d561b0c659818537f0486b702bbc3eaac4e8d Mon Sep 17 00:00:00 2001
From: Steve Jones <steve@squaregoldfish.co.uk>
Date: Mon, 2 Dec 2024 12:17:55 +0100
Subject: [PATCH] (#3021) Handle empty position QC messages

---
 WebApp/src/uk/ac/exeter/QuinCe/data/Dataset/SensorValue.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/WebApp/src/uk/ac/exeter/QuinCe/data/Dataset/SensorValue.java b/WebApp/src/uk/ac/exeter/QuinCe/data/Dataset/SensorValue.java
index a3c22c4c5..18c020196 100644
--- a/WebApp/src/uk/ac/exeter/QuinCe/data/Dataset/SensorValue.java
+++ b/WebApp/src/uk/ac/exeter/QuinCe/data/Dataset/SensorValue.java
@@ -594,7 +594,10 @@ public String getDisplayQCMessage(DatasetSensorValues allSensorValues)
 
       for (SensorValue value : allSensorValues.getById(sourceValues)) {
         if (!(isPosition() && value.isPosition())) {
-          messages.add(value.getDisplayQCMessage(allSensorValues));
+          String qcMessage = value.getDisplayQCMessage(allSensorValues);
+          if (null != qcMessage) {
+            messages.add(qcMessage);
+          }
         }
       }