diff --git a/src/errors.h b/src/errors.h
index cde9846..6346bf2 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -688,3 +688,5 @@
 	INIT(= N_("E1245: Cannot expand <sfile> in a Vim9 function"));
 EXTERN char e_cannot_find_variable_to_unlock_str[]
 	INIT(= N_("E1246: Cannot find variable to (un)lock: %s"));
+EXTERN char e_line_number_out_of_range[]
+	INIT(= N_("E1247: Line number out of range"));