diff --git a/.python-version b/.python-version
new file mode 100644
index 000000000..e4fba2183
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.12
diff --git a/tilecloud_chain/store/postgresql.py b/tilecloud_chain/store/postgresql.py
index df37d5475..fa3908077 100644
--- a/tilecloud_chain/store/postgresql.py
+++ b/tilecloud_chain/store/postgresql.py
@@ -589,6 +589,8 @@ def delete_one(self, tile: Tile) -> Tile:
         """Delete the meta tile from the queue."""
         with self.SessionMaker() as session:
             if tile.error:
+                if isinstance(tile.error, Exception):
+                    _LOGGER.warning("Error while processing the tile %s", tile, exc_info=tile.error)
                 sqlalchemy_tile = (
                     session.query(Queue)
                     .where(and_(Queue.status == _STATUS_PENDING, Queue.id == tile.postgresql_id))  # type: ignore[attr-defined]