Impossible de modifier plusieurs itinérances

[camillemonchicourt]

Geotrek-admin 2.120.2

Je dois modifier des itinérances.
J'arrive à modifier certaines petites randos, mais pas certaines itinérances, sans trouver de raison.

Je passe en modification sur une itinérance de 6 jours :

Je supprime un point de passage :

Quand je clique sur SAUVEGARDER la page se réouvre, en m'indiquant que le formulaire contient des erreurs et sans afficher le tracé :

Rien de particulier dans les logs serveurs (sudo journalctl -eu geotrek-api) :

nov. 11 14:21:56 geotrek-admin systemd[1]: Started geotrek-api.service - Geotrek-admin API.
nov. 11 14:21:56 geotrek-admin gunicorn[873]: [2025-11-11 14:21:56 +0100] [873] [INFO] Starting gunicorn 23.0.0
nov. 11 14:21:56 geotrek-admin gunicorn[873]: [2025-11-11 14:21:56 +0100] [873] [INFO] Listening at: unix:/tmp/gunicorn-geotrek_api.sock (873)
nov. 11 14:21:56 geotrek-admin gunicorn[873]: [2025-11-11 14:21:56 +0100] [873] [INFO] Using worker: sync
nov. 11 14:21:56 geotrek-admin gunicorn[918]: [2025-11-11 14:21:56 +0100] [918] [INFO] Booting worker with pid: 918
nov. 11 14:21:56 geotrek-admin gunicorn[922]: [2025-11-11 14:21:56 +0100] [922] [INFO] Booting worker with pid: 922
nov. 11 14:21:57 geotrek-admin gunicorn[942]: [2025-11-11 14:21:57 +0100] [942] [INFO] Booting worker with pid: 942
nov. 11 14:21:57 geotrek-admin gunicorn[945]: [2025-11-11 14:21:57 +0100] [945] [INFO] Booting worker with pid: 945
nov. 11 14:21:57 geotrek-admin gunicorn[918]: /opt/geotrek-admin/lib/python3.12/site-packages/drf_yasg/__init__.py:2: UserWarning: pkg_resources is deprecated as an API. >
nov. 11 14:21:57 geotrek-admin gunicorn[918]:   from pkg_resources import DistributionNotFound, get_distribution
nov. 11 14:21:57 geotrek-admin gunicorn[945]: /opt/geotrek-admin/lib/python3.12/site-packages/drf_yasg/__init__.py:2: UserWarning: pkg_resources is deprecated as an API. >
nov. 11 14:21:57 geotrek-admin gunicorn[945]:   from pkg_resources import DistributionNotFound, get_distribution
nov. 11 14:21:57 geotrek-admin gunicorn[922]: /opt/geotrek-admin/lib/python3.12/site-packages/drf_yasg/__init__.py:2: UserWarning: pkg_resources is deprecated as an API. >
nov. 11 14:21:57 geotrek-admin gunicorn[922]:   from pkg_resources import DistributionNotFound, get_distribution
nov. 11 14:21:57 geotrek-admin gunicorn[942]: /opt/geotrek-admin/lib/python3.12/site-packages/drf_yasg/__init__.py:2: UserWarning: pkg_resources is deprecated as an API. >
nov. 11 14:21:57 geotrek-admin gunicorn[942]:   from pkg_resources import DistributionNotFound, get_distribution
nov. 11 14:25:39 geotrek-admin gunicorn[918]: /opt/geotrek-admin/lib/python3.12/site-packages/django/db/models/base.py:368: RuntimeWarning: Model 'mapentity.modelname' wa>
nov. 11 14:25:39 geotrek-admin gunicorn[918]:   new_class._meta.apps.register_model(new_class._meta.app_label, new_class)
nov. 11 14:30:04 geotrek-admin gunicorn[942]: /opt/geotrek-admin/lib/python3.12/site-packages/django/db/models/base.py:368: RuntimeWarning: Model 'mapentity.modelname' wa>
nov. 11 14:30:04 geotrek-admin gunicorn[942]:   new_class._meta.apps.register_model(new_class._meta.app_label, new_class)
nov. 11 14:31:48 geotrek-admin gunicorn[945]: /opt/geotrek-admin/lib/python3.12/site-packages/django/db/models/base.py:368: RuntimeWarning: Model 'mapentity.modelname' wa>
nov. 11 14:31:48 geotrek-admin gunicorn[945]:   new_class._meta.apps.register_model(new_class._meta.app_label, new_class)

Quelques warnings et erreurs dans la console du navigateur, mais je n'ai pas l'impression que cela soit lié :