In all it's glory, http://tinyurl.com/7ht55 Or in verbatim here: Error : illegal non-type template argument (point of instantiation: 'test_ptr_vector()') (instantiating: 'boost::ptr_vector<int, boost::heap_clone_allocator, std::allocator<void *>>') (instantiating: 'boost::ptr_sequence_adapter<int, std::vector<void *, std::allocator<void *>>, boost::heap_clone_allocator>') (instantiating: 'boost::ptr_container_detail::reversible_ptr_container<boost::ptr_container_detail::sequence_config<int, std::vector<void *, std::allocator<void *>>>, boost::heap_clone_allocator>') ../boost/ptr_container/ptr_sequence_adapter.hpp line 141? CloneAllocator > Could there some wierd source character that I can't see or something? Thanks -Thorsten