Index: src/ControlStruct/FixLabels.cpp
===================================================================
--- src/ControlStruct/FixLabels.cpp	(revision c40157ec46899c5e6a8afa9d8f9f0dba822d528f)
+++ src/ControlStruct/FixLabels.cpp	(revision b1f2007d03a9290ff9a472f7132714791f65e6b4)
@@ -10,6 +10,6 @@
 // Created On       : Mon Nov  1 09:39:00 2021
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Jan 31 22:19:17 2022
-// Update Count     : 9
+// Last Modified On : Sun Nov 26 15:06:51 2023
+// Update Count     : 10
 //
 
@@ -47,6 +47,5 @@
 	for ( auto kvp : labelTable ) {
 		if ( nullptr == kvp.second ) {
-			SemanticError( kvp.first.location,
-						   "Use of undefined label: " + kvp.first.name );
+			SemanticError( kvp.first.location, "Use of undefined label %s.", kvp.first.name.c_str() );
 		}
 	}
Index: src/ControlStruct/MultiLevelExit.cpp
===================================================================
--- src/ControlStruct/MultiLevelExit.cpp	(revision c40157ec46899c5e6a8afa9d8f9f0dba822d528f)
+++ src/ControlStruct/MultiLevelExit.cpp	(revision b1f2007d03a9290ff9a472f7132714791f65e6b4)
@@ -9,7 +9,7 @@
 // Author           : Andrew Beach
 // Created On       : Mon Nov  1 13:48:00 2021
-// Last Modified By : Andrew Beach
-// Last Modified On : Fri Sep  8 17:04:00 2023
-// Update Count     : 36
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Mon Dec 11 13:44:45 2023
+// Update Count     : 38
 //
 
@@ -521,5 +521,5 @@
 		assert(0);
 	}
-	SemanticError( stmt->location, toString( "'return' may not appear in a ", context ) );
+	SemanticError( stmt->location, "'return' may not appear in a %s", context );
 }