diff --git a/PROMS/Volian.Controls.Library/DisplayRO.cs b/PROMS/Volian.Controls.Library/DisplayRO.cs
index 1032c79c..c1f7725e 100644
--- a/PROMS/Volian.Controls.Library/DisplayRO.cs
+++ b/PROMS/Volian.Controls.Library/DisplayRO.cs
@@ -379,8 +379,8 @@ namespace Volian.Controls.Library
 
 				if (chld.value != null)
 				{
-						chld.value = Regex.Replace(chld.value, @"\\u([0-9]{1,4})\?", m => Convert.ToChar(int.Parse(m.Groups[1].Value)).ToString());
-						RoUsageInfo SavROLink = null;
+					chld.value = Regex.Replace(chld.value, @"\\u([0-9]{1,4})\?", m => int.TryParse(m?.Groups[1]?.Value, out int result) ? Convert.ToChar(result).ToString() : "");
+					RoUsageInfo SavROLink = null;
 					if (_savCurROLink != null) SavROLink = _savCurROLink;
 
 					// Set the Display Text to the AccPageID