diff --git a/src/errors.h b/src/errors.h
index 0361d71..7260c30 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -3523,6 +3523,12 @@
 	INIT(= N_("E1385: Class method \"%s\" accessible only using class \"%s\""));
 EXTERN char e_object_method_str_accessible_only_using_object_str[]
 	INIT(= N_("E1386: Object method \"%s\" accessible only using class \"%s\" object"));
+EXTERN char e_public_member_not_supported_in_interface[]
+	INIT(= N_("E1387: Public variable not supported in an interface"));
+EXTERN char e_public_keyword_not_supported_for_method[]
+	INIT(= N_("E1388: Public keyword not supported for a method"));
+EXTERN char e_missing_name_after_implements[]
+	INIT(= N_("E1389: Missing name after implements"));
 #endif
 EXTERN char e_cannot_mix_positional_and_non_positional_str[]
 	INIT(= N_("E1400: Cannot mix positional and non-positional arguments: %s"));
@@ -3538,4 +3544,4 @@
 	INIT(= N_("E1405: Invalid format specifier: %s"));
 EXTERN char e_aptypes_is_null_nr_str[]
 	INIT(= "E1408: Internal error: ap_types or ap_types[idx] is NULL: %d: %s");
-// E1387 - E1399 unused
+// E1390 - E1399 unused