D:\m\upp\tradetester\main.cpp(1717): error C2280: 'Upp::VectorMap<Upp::String,double>::VectorMap(const Upp::VectorMap<Upp::String,double> &)': attempting to reference a deleted fu
    nction
d:\upp-mingw-11873\upp\uppsrc\core\Map.h(237): note: compiler has generated 'Upp::VectorMap<Upp::String,double>::VectorMap' here
d:\upp-mingw-11873\upp\uppsrc\core\Map.h(237): note: 'Upp::VectorMap<Upp::String,double>::VectorMap(const Upp::VectorMap<Upp::String,double> &)': function was implicitly deleted b
    ecause a base class invokes a deleted or inaccessible function 'Upp::AMap<K,T,Upp::Vector<T>>::AMap(const Upp::AMap<K,T,Upp::Vector<T>> &)'
        with
        [
            K=Upp::String,
            T=double
        ]
d:\upp-mingw-11873\upp\uppsrc\core\Map.h(215): note: 'Upp::AMap<K,T,Upp::Vector<T>>::AMap(const Upp::AMap<K,T,Upp::Vector<T>> &)': function was implicitly deleted because a data m
    ember invokes a deleted or inaccessible function 'Upp::Index<Upp::String>::Index(const Upp::Index<Upp::String> &)'
        with
        [
            K=Upp::String,
            T=double
        ]
d:\upp-mingw-11873\upp\uppsrc\core\Index.h(222): note: 'Upp::Index<Upp::String>::Index(const Upp::Index<Upp::String> &)': function was implicitly deleted because 'Upp::Index<Upp::
    String>' has a user-defined move constructor