Ryzom

set<CSString, CUnsensitiveSStringLessPred>::iterator it = itemNames.begin(); --here error

while ( it != itemNames.end() )

e:\sourcedev\ryzom code\ryzom\code\ryzom\tools\leveldesign\mp_generator\main.cpp(1313): error C2440: "Initialization": Can not“std::_Tree_const_iterator<_Mytree>”Convert“std::_Tree_const_iterator<_Mytree>”

2> with
2> [
2> _Mytree=std::_Tree_val<std::_Tset_traits<NLMISC::CSString,ItemSort,std::allocator<NLMISC::CSString>,false>>
2> ]
2> and
2> [
2> _Mytree=std::_Tree_val<std::_Tset_traits<NLMISC::CSString,CUnsensitiveSStringLessPred,std::allocator<NLMISC::CSString>,false>>
2> ]
2> Constructor can accept no source type, or constructor overload is not clear
2>e:\sourcedev\ryzom code\ryzom\code\ryzom\tools\leveldesign\mp_generator\main.cpp(1315): error C2678: Binary“!=”: Did not find acceptance“std::_Tree_const_iterator<_Mytree>”The left operand type of operator (or no acceptable conversion)
2> with
2> [

i use vs2010,help me!