If fleet.vehicle_state_active is not found in the system then the method
will raise an error, hence it won't allow creating any fleet.vehicle
closesodoo/odoo#30925
- Go in Fleet
- Group vehicle list by any variable (e.g. status)
- Open a vehicle from the list
- In vehicle page click on 'Contract'
It crashes.
The `group_by` context key is propagated to a list where the grouping
field doesn't exist.
Fixes#15154
RomainLibert