diff --git a/src/errors.h b/src/errors.h
index cc0af8a..bf99433 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -3489,6 +3489,10 @@
 
 EXTERN char e_interface_str_and_class_str_function_access_not_same[]
 	INIT(= N_("E1367: Access type of class method %s differs from interface method %s"));
+EXTERN char e_static_cannot_be_followed_by_this[]
+	INIT(= N_("E1368: Static cannot be followed by \"this\" in a member name"));
+EXTERN char e_duplicate_member_str[]
+	INIT(= N_("E1369: Duplicate member: %s"));
 EXTERN char e_cannot_mix_positional_and_non_positional_str[]
 	INIT(= N_("E1400: Cannot mix positional and non-positional arguments: %s"));
 EXTERN char e_fmt_arg_nr_unused_str[]