template <class T>
class DataManager{
	public:
            T& Create(const String& name)
            /*
            ...
            */
             bool Remove(const String& name){
		int position = map.Find(name); //Crash occure here
		if(position != -1){
		    //Then we remove it
		    map.Remove(position);
		    return true;
		}
		return false;
	      }
	private:
	     friend class SGLRenderer;
	     VectorMap<String, T> map;
};

int position = map.Find(name);

int Index<T>::FindFrom(int i, dword sh, const T& k, int end) const