derivation-ok-restriction.2.2.b: Error for type 'aa....aa'. The attribute use 'bb....bb' in this type does not have a matching attribute use in the base, and the wildcard in the base type does not allow the namespace 'cc....cc' of this attribute use.

This is an error for type aa....aa. The attribute usage bb....bb in this type does not have a matching attribute usage in the base. The wildcard of the base type does not allow the namespace cc....cc of this attribute usage.