invalid node

[indian4646]

Hi all

I uploaded a lot of files to drive, but it will occur invalid node.

sync ./boost_1_49_0_2/boost_1_49_0/libs/math/doc/sf_and_dist/equations/dist_tutorial2.svg doesn't exist in server, uploading
sync ./boost_1_49_0_2/boost_1_49_0/libs/math/doc/sf_and_dist/equations/special_functions_blurb18.png doesn't exist in server, uploading
sync ./boost_1_49_0_2/boost_1_49_0/libs/math/doc/sf_and_dist/equations/chi_squ_tut3.svg doesn't exist in server, uploading
sync ./boost_1_49_0_2/boost_1_49_0/libs/math/doc/sf_and_dist/equations/igamma18.mml doesn't exist in server, uploading
exception: Throw in function (unknown)
Dynamic exception type: N2gr3xml5ErrorE
std::exception::what: std::exception
[PN2gr4expt6MsgTagE] = invalid node
[PN2gr4expt12BacktraceTagE] = #0 0x8110016 :0 gr::Exception::Exception()
#1 0x81145b7 :0 gr::xml::Error::Error()
#2 0x8118cb6 :0 gr::xml::TreeBuilder::Result() const
#3 0x80fd90f :0 gr::http::XmlResponse::Response() const
#4 0x80f0ebf :0 gr::Resource::Upload(gr::http::Agent*, std::string const&, bool)
#5 0x80f18e8 :0 gr::Resource::Create(gr::http::Agent*)
#6 0x80f239a :0 gr::Resource::SyncSelf(gr::http::Agent*, gr::Json const&)
#7 0x80f2dd0 :0 gr::Resource::Sync(gr::http::Agent*, gr::DateTime&, gr::Json const&)
#8 0x80f3983 :0 boost::_mfi::mf3<void, gr::Resource, gr::http::Agent*, gr::DateTime&, gr::Json const&>::operator()