Index: src/Parser/ExpressionNode.cpp
===================================================================
--- src/Parser/ExpressionNode.cpp	(revision 41c3e46710a1005a4164a99302c1a320d8bd2eaf)
+++ src/Parser/ExpressionNode.cpp	(revision 4223317e3e759f006fdf485a8ab0ebb78ef3c267)
@@ -10,6 +10,6 @@
 // Created On       : Sat May 16 13:17:07 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Mar 31 12:08:13 2025
-// Update Count     : 1121
+// Last Modified On : Tue Apr  1 08:13:17 2025
+// Update Count     : 1122
 //
 
@@ -498,5 +498,5 @@
 		return 10;
 	  default:
-		assertf( false, "Unknown escape sequence (start %c).", str[pos] );
+		SemanticError( yylloc, "Unknown escape sequence \"\\%c\"", str[pos + 1] );
 		return 1;
 	} // switch