ambiguous overloaded function.

backprop_result(MyAnn::backPropgration<double,
std::vector>(MultiLayerNeuron, 1.9, 8, 10, 12)); // debugtest.cpp line
70.

template <typename T,
         template <typename ELEM, typename = std::allocator<ELEM> >
         class CONT
   >
   CONT<CONT<T> > backPropgration(
    const typename multiLayerExample<T, CONT>::mapInOut& examples,
    const T& rate,
    const typename CONT<T>::size_type& nIn,
    const typename CONT<T>::size_type& nOut,
    const typename CONT<T>::size_type& nHidden
   ); // inside backproagation.hpp

template <typename T,
             template <typename ELEM, typename = std::allocator<ELEM> >
             class CONT

    CONT<CONT<T> > backPropgration(
        const typename multiLayerExample<T, CONT>::mapInOut& examples,
        const T& rate,
        const typename CONT<T>::size_type& nIn,
        const typename CONT<T>::size_type& nOut,
        const typename CONT<T>::size_type& nHidden
    )
{
 // definition of code.
}
  // this is inside backproapation.cpp

Here is my error:
../cs461/c++/debugtest.cpp(70) : error C2668:
'MyAnn::backPropgration' : ambiguous call to overloaded function
        c:\cpw\msvc\cs461\c++\cppdef/backproagation.cpp(141):
        could be 'std::vector<_Ty>
MyAnn::backPropgration<double,std::vector>(const std::map<_Kty,_Ty>
&,const T &,const unsigned int &,const unsigned int &,const unsigned
int &)'
        with
        [
            _Ty=std::vector<double>,
            _Kty=std::vector<std::vector<double>>,
            T=double
        ]
        c:\cpw\msvc\cs461\c++\cppdef\../backpropagation.hpp(22): or
        'std::vector<_Ty>
MyAnn::backPropgration<double,std::vector>(const std::map<_Kty,_Ty>
&,const T &,const unsigned int &,const unsigned int &,const unsigned
int &)'
        with
        [
            _Ty=std::vector<double>,
            _Kty=std::vector<std::vector<double>>,
            T=double
        ]
        while trying to match the argument list '(std::map<_Kty,_Ty>,
double, int, int, int)'
        with
        [
            _Kty=std::vector<std::vector<double>>,
            _Ty=std::vector<double>
        ]