diff --git a/app/cmd/db.py b/app/cmd/db.py
index 96ffc68..c5cc6f5 100644
--- a/app/cmd/db.py
+++ b/app/cmd/db.py
@@ -99,6 +99,11 @@ def _create_doc(folder: str)-> None:
         # query on table institution with <doc_archives> to get the correspondant institution key
         inst_query = [t.id_institution for t in Institution.select().where(
             Institution.full_label == doc_archives)]
+        try:
+            inst_query[0]
+        except IndexError:
+            print("!! Add", doc_archives, "to /app/data_actes/institution_data.py")
+            break
         infos_doc.append({
                 "inst_doc": inst_query[0],
                 "collection_doc": doc_cote,