Unable to comission, cloud-init: Can not apply stage final, no datasource found!

I have a production environment with with maas 3.1 with 10 servers commissioned for openstack, one virtual machine as juju controller and 3 uncommissioned servers.

My open stack cloud have been working properly for a while, so I haven login into maas for a long time, today I tried to commission a server and I got the following error:
Can not apply stage final, no datasource found!

I have read other post with a similar issue in this forum but none seams to give a clear answer.
I hope some one can help me to solve my problem.
Regads