diff --git a/src/errors.h b/src/errors.h
index af42428..c5f8530 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -520,3 +520,9 @@
 EXTERN char e_setdigraphlist_argument_must_be_list_of_lists_with_two_items[]
 	INIT(= N_("E1216: setdigraphlist() argument must be a list of lists with two items"));
 #endif
+EXTERN char e_blob_required_for_argument_nr[]
+	INIT(= N_("E1217: Blob required for argument %d"));
+EXTERN char e_chan_or_job_required_for_argument_nr[]
+	INIT(= N_("E1218: Channel or Job required for argument %d"));
+EXTERN char e_job_required_for_argument_nr[]
+	INIT(= N_("E1219: Job required for argument %d"));