diff --git a/backend/geonature/core/auth/routes.py b/backend/geonature/core/auth/routes.py
index 1a56712293..dbd0ad2df7 100644
--- a/backend/geonature/core/auth/routes.py
+++ b/backend/geonature/core/auth/routes.py
@@ -29,6 +29,8 @@
 from geonature.utils.errors import CasAuthentificationError
 from geonature.utils.env import db
 
+from pypnusershub.auth.auth_manager import auth_manager
+
 
 routes = Blueprint("gn_auth", __name__, template_folder="templates")
 log = logging.getLogger()
@@ -78,7 +80,8 @@ def insert_user_and_org(info_user):
         "email": info_user["email"],
         "active": True,
     }
-    user_info = insert_or_update_role(user_info)
+    user_ = User(**user_info)
+    user_info = insert_or_update_role(user_, auth_manager.get_provider("local_provider"), "email")
     user = db.session.get(User, user_id)
     if not user.groups:
         if not current_app.config["CAS"]["USERS_CAN_SEE_ORGANISM_DATA"] or organism_id is None:
diff --git a/backend/geonature/core/gn_meta/mtd/__init__.py b/backend/geonature/core/gn_meta/mtd/__init__.py
index 488d3e2544..902349c34d 100644
--- a/backend/geonature/core/gn_meta/mtd/__init__.py
+++ b/backend/geonature/core/gn_meta/mtd/__init__.py
@@ -112,8 +112,8 @@ def add_unexisting_digitizer(id_digitizer):
     :param id_digitizer: as id role from meta info
     """
     if (
-        not db.session.scalars(
-            select(func.count("*").select_from(User).filter_by(id_role=id_digitizer).limit(1))
+        not db.session.execute(
+            select(func.count("*")).select_from(User).filter_by(id_role=id_digitizer).limit(1)
         ).scalar_one()
         > 0
     ):
@@ -145,12 +145,14 @@ def process_af_and_ds(af_list, ds_list, id_role=None):
     for af in af_list:
         actors = af.pop("actors")
         with db.session.begin_nested():
-            start_add_user_time = time.time()
+            import time as t
+
+            start_add_user_time = t.time()
             if not id_role:
                 add_unexisting_digitizer(af["id_digitizer"])
             else:
                 add_unexisting_digitizer(id_role)
-            user_add_total_time += time.time() - start_add_user_time
+            user_add_total_time += t.time() - start_add_user_time
         af = sync_af(af)
         associate_actors(
             actors,
@@ -165,12 +167,14 @@ def process_af_and_ds(af_list, ds_list, id_role=None):
         actors = ds.pop("actors")
         # CREATE DIGITIZER
         with db.session.begin_nested():
-            start_add_user_time = time.time()
+            import time as t
+
+            start_add_user_time = t.time()
             if not id_role:
                 add_unexisting_digitizer(ds["id_digitizer"])
             else:
                 add_unexisting_digitizer(id_role)
-            user_add_total_time += time.time() - start_add_user_time
+            user_add_total_time += t.time() - start_add_user_time
         ds = sync_ds(ds, list_cd_nomenclature)
         if ds is not None:
             associate_actors(actors, CorDatasetActor, "id_dataset", ds.id_dataset)
diff --git a/backend/geonature/core/gn_meta/mtd/mtd_utils.py b/backend/geonature/core/gn_meta/mtd/mtd_utils.py
index ddcf18125f..97fd25d6f2 100644
--- a/backend/geonature/core/gn_meta/mtd/mtd_utils.py
+++ b/backend/geonature/core/gn_meta/mtd/mtd_utils.py
@@ -140,7 +140,7 @@ def add_or_update_organism(uuid, nom, email):
     """
     # Test if actor already exists to avoid nextVal increase
     org_exist = DB.session.execute(
-        select(exists().select_from(BibOrganismes).filter_by(uuid_organisme=uuid))
+        select(exists().select_from(BibOrganismes).where(BibOrganismes.uuid_organisme == uuid))
     ).scalar_one()
 
     if org_exist: