diff --git a/docs/dev/transition.rst b/docs/dev/transition.rst
index 1d44da2..8b764b5 100644
--- a/docs/dev/transition.rst
+++ b/docs/dev/transition.rst
@@ -103,7 +103,7 @@ le 2 mars à 22h :
 .. code:: python
 
     REGISTRATION_DATES = dict(
-        open=datetime.fromisoformat("2025-01-08T12:00:00+0100"),
+        open=datetime.fromisoformat("2025-01-15T12:00:00+0100"),
         close=datetime.fromisoformat("2025-03-02T22:00:00+0100"),
     )
 
diff --git a/participation/management/commands/export_solutions.py b/participation/management/commands/export_solutions.py
index 91a1664..1fcf130 100644
--- a/participation/management/commands/export_solutions.py
+++ b/participation/management/commands/export_solutions.py
@@ -12,6 +12,8 @@ class Command(BaseCommand):
     def handle(self, *args, **kwargs):
         base_dir = Path(__file__).parent.parent.parent.parent
         base_dir /= "output"
+        if not base_dir.is_dir():
+            base_dir.mkdir()
         base_dir /= "solutions"
         if not base_dir.is_dir():
             base_dir.mkdir()
diff --git a/registration/management/commands/export_photo_authorizations.py b/registration/management/commands/export_photo_authorizations.py
index 20cdb8e..9baa9f6 100644
--- a/registration/management/commands/export_photo_authorizations.py
+++ b/registration/management/commands/export_photo_authorizations.py
@@ -14,7 +14,9 @@ class Command(BaseCommand):
     def handle(self, *args, **kwargs):
         base_dir = Path(__file__).parent.parent.parent.parent
         base_dir /= "output"
-        base_dir / "photo_authorizations"
+        if not base_dir.is_dir():
+            base_dir.mkdir()
+        base_dir /= "photo_authorizations"
         if not base_dir.is_dir():
             base_dir.mkdir()
 
@@ -30,6 +32,6 @@ class Command(BaseCommand):
                             file_output.write(file_input.read())
 
                 if participant.photo_authorization_final:
-                    with participant.photo_authorization.file as file_input:
+                    with participant.photo_authorization_final.file as file_input:
                         with open(team_dir / f"{participant} (finale).pdf", 'wb') as file_output:
                             file_output.write(file_input.read())