This bug can happen when:
- snapd is asked to seed a snap "foo" - snapd sees that the snap "foo" depends on a base snap "bar" - the snap "bar" is not present in the seed
In this case it seems that "core18" is not in the seed. Can you please check /var/lib/snapd/seed/seed.yaml
This bug can happen when:
- snapd is asked to seed a snap "foo"
- snapd sees that the snap "foo" depends on a base snap "bar"
- the snap "bar" is not present in the seed
In this case it seems that "core18" is not in the seed. Can you please check /var/lib/ snapd/seed/ seed.yaml