are these warnings in visual studio to be taken seriously

[vkaul1]

I get these 43 warnings in compilation of my code. I hope it is ok. How to suppress these warnings C4786 if they are not that harmful.

F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::reverse_bidirectional_iterator<std::_Tree<int,std::pair<int const ,SourcePointsValue>,std::map<int,SourcePointsValue,std::less<int>,
std::allocator<SourcePointsValue> >::_Kfn,std::less<int>,std::allocator<SourcePointsValue> >::iterator,std::pair<int const ,SourcePointsValue>,std::pair<int const ,SourcePointsValue> &,std::pair<int const ,SourcePointsValue> *,int>' : identifier was
 truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::reverse_bidirectional_iterator<std::_Tree<int,std::pair<int const ,SourcePointsValue>,std::map<int,SourcePointsValue,std::less<int>,
std::allocator<SourcePointsValue> >::_Kfn,std::less<int>,std::allocator<SourcePointsValue> >::const_iterator,std::pair<int const ,SourcePointsValue>,std::pair<int const ,SourcePointsValue> const &,std::pair<int const ,SourcePointsValue> const *,int>
' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::pair<std::_Tree<int,std::pair<int const ,SourcePointsValue>,std::map<int,SourcePointsValue,std::less<int>,std::allocator<SourcePoint
sValue> >::_Kfn,std::less<int>,std::allocator<SourcePointsValue> >::iterator,std::_Tree<int,std::pair<int const ,SourcePointsValue>,std::map<int,SourcePointsValue,std::less<int>,std::allocator<SourcePointsValue> >::_Kfn,std::less<int>,std::allocator
<SourcePointsValue> >::iterator>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::pair<std::_Tree<int,std::pair<int const ,SourcePointsValue>,std::map<int,SourcePointsValue,std::less<int>,std::allocator<SourcePoint
sValue> >::_Kfn,std::less<int>,std::allocator<SourcePointsValue> >::const_iterator,std::_Tree<int,std::pair<int const ,SourcePointsValue>,std::map<int,SourcePointsValue,std::less<int>,std::allocator<SourcePointsValue> >::_Kfn,std::less<int>,std::all
ocator<SourcePointsValue> >::const_iterator>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::reverse_bidirectional_iterator<std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,
std::allocator<BranchPointsValue> >::_Kfn,std::less<int>,std::allocator<BranchPointsValue> >::iterator,std::pair<int const ,BranchPointsValue>,std::pair<int const ,BranchPointsValue> &,std::pair<int const ,BranchPointsValue> *,int>' : identifier was
 truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::reverse_bidirectional_iterator<std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,
std::allocator<BranchPointsValue> >::_Kfn,std::less<int>,std::allocator<BranchPointsValue> >::const_iterator,std::pair<int const ,BranchPointsValue>,std::pair<int const ,BranchPointsValue> const &,std::pair<int const ,BranchPointsValue> const *,int>
' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::pair<std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,std::allocator<BranchPoint
sValue> >::_Kfn,std::less<int>,std::allocator<BranchPointsValue> >::iterator,std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,std::allocator<BranchPointsValue> >::_Kfn,std::less<int>,std::allocator
<BranchPointsValue> >::iterator>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::pair<std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,std::allocator<BranchPoint
sValue> >::_Kfn,std::less<int>,std::allocator<BranchPointsValue> >::const_iterator,std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,std::allocator<BranchPointsValue> >::_Kfn,std::less<int>,std::all
ocator<BranchPointsValue> >::const_iterator>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::reverse_bidirectional_iterator<std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,
std::less<int>,std::allocator<int> >::iterator,std::pair<int const ,int>,std::pair<int const ,int> &,std::pair<int const ,int> *,int>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::reverse_bidirectional_iterator<std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,
std::less<int>,std::allocator<int> >::const_iterator,std::pair<int const ,int>,std::pair<int const ,int> const &,std::pair<int const ,int> const *,int>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::pair<std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,std::less<int>,std::alloca
tor<int> >::iterator,std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,std::less<int>,std::allocator<int> >::iterator>' : identifier was truncated to '255' characters in the debug information
F:\WD_Windows_Tools\C\James_tsai_documents\test_geodesic\Geodesic_July5_branchpoints.cpp(296) : warning C4786: 'std::pair<std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,std::less<int>,std::alloca
tor<int> >::const_iterator,std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,std::less<int>,std::allocator<int> >::const_iterator>' : identifier was truncated to '255' characters in the debug inform
ation
c:\program files\microsoft visual studio\vc98\include\xtree(380) : warning C4786: 'pair<std::_Tree<int,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,std::less<int>,std::allocator<int> >::iterator,std::_Tree<in
t,std::pair<int const ,int>,std::map<int,int,std::less<int>,std::allocator<int> >::_Kfn,st' : identifier was truncated to '255' characters in the debug information
        c:\program files\microsoft visual studio\vc98\include\xtree(376) : while compiling class-template member function 'unsigned int __thiscall std::_Tree<int,struct std::pair<int const ,int>,struct std::map<int,int,struct std::less<int>,class st
d::allocator<int> >::_Kfn,struct std::less<int>,class std::allocator<int> >::erase(const int &)'
        c:\program files\microsoft visual studio\vc98\include\xtree(376) : while compiling class-template member function 'unsigned int __thiscall std::_Tree<int,struct std::pair<int const ,struct BranchPointsValue>,struct 
,std::allocator<BranchPointsValue> >::iterator,std::_Tree<int,std::pair<int const ,BranchPointsValue>,std::map<int,BranchPointsValue,std::less<int>,std::allocator<BranchPointsValue> >::_Kfn,std::less<int>,std::allocator<BranchPointsValue> >::iterato
r>' : identifier was truncated to '255' characters in the debug information

[guestgulkan]

try using

#pragma warning(disable:4786)