[DynamicUpdate] Instance of AnObsoleteMolComponentFactory did not understand #contractChangedAnnouncement:

[labordep]

To reproduce: upgrade from 1.2.11 to 1.2.12.
May be it will be better to check if dynamic update is not active during Iceberg checkout.

[labordep]

Remember that: #26
Same problem?

[LabordePierre]

See pharo-project/pharo#19046