ERROR: min cardinality () has to be less or equal to max cardinality (). ERROR: min cardinality () has to be less or equal to max cardinality (). ERROR: there are less child elements () of group '' than is the max cardinality () of the group. ERROR: Called macro does NOT exist. The feature is of type composite. The feature is of type component. It is represented by '' component ''. The feature is of type abstract interface. The feature is of type aspect. The feature is of type attribute. The feature is of type operation.