diff --git a/PROMS/Volian.Controls.Library/StepTabRibbon.cs b/PROMS/Volian.Controls.Library/StepTabRibbon.cs
index d3753cce..dcf2cf59 100644
--- a/PROMS/Volian.Controls.Library/StepTabRibbon.cs
+++ b/PROMS/Volian.Controls.Library/StepTabRibbon.cs
@@ -952,6 +952,11 @@ namespace Volian.Controls.Library
 
 		void btnInsStep_Click(object sender, EventArgs e)
 		{
+			if (_MyEditItem.MyStepRTB.Text == "")		// Fix B2016-238
+			{
+				MessageBox.Show(this, "Cannot insert step from empty step.", "Insert step", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
+				return;
+			}
 			string cautNoteOrder = _MyEditItem.MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.CautionNoteOrder;
 			DevComponents.DotNetBar.ButtonItem b = (DevComponents.DotNetBar.ButtonItem)sender;
 			if (b.Tag == null) return;