cards-generator: row must not necessarily exist
cards-generator: row must not necessarily exist

when called by a chained-generator the WHERE_COMPONENT_CLASSES-constraint is given and the
row is tried to create

yacon/koala-framework,Ben-Ho/koala-framework,kaufmo/koala-framework,kaufmo/koala-framework,Sogl/koala-framework,darimpulso/koala-framework,nsams/koala-framework,fraxachun/koala-framework,fraxachun/koala-framework,darimpulso/koala-framework,Ben-Ho/koala-framework,koala-framework/koala-framework,Sogl/koala-framework,nsams/koala-framework,kaufmo/koala-framework,yacon/koala-framework,nsams/koala-framework,koala-framework/koala-framework,yacon/koala-framework