diff --git a/src/errors.h b/src/errors.h
index d4ba7f0..a8ea33d 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -660,3 +660,7 @@
 	INIT(= N_("E1236: Cannot use %s itself, it is imported with '*'"));
 EXTERN char e_no_such_user_defined_command_in_current_buffer_str[]
 	INIT(= N_("E1237: No such user-defined command in current buffer: %s"));
+EXTERN char e_blob_required_for_argument_nr[]
+	INIT(= N_("E1238: Blob required for argument %d"));
+EXTERN char e_invalid_value_for_blob_nr[]
+	INIT(= N_("E1239: Invalid value for blob: %d"));