diff --git a/src/errors.h b/src/errors.h
index 2ed62a2..45f0d6a 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -3329,4 +3329,6 @@
 #ifdef FEAT_EVAL
 EXTERN char e_cannot_use_partial_with_dictionary_for_defer[]
 	INIT(= N_("E1300: Cannot use a partial with dictionary for :defer"));
+EXTERN char e_string_number_list_or_blob_required_for_argument_nr[]
+	INIT(= N_("E1301: String, Number, List or Blob required for argument %d"));
 #endif