I compiled the min_max_paths.cpp in the example directory of BGL 1.46.1 on Fedora 12. $ g++ -I ~/boost_1_46_1 min_max_paths.cpp -o min_max_paths \ -L ~/boost_1_46_1_build/boost/bin.v2/libs/graph/build/gcc-4.4.4/release/link-static/threading-multi/ -lboost_graph Please help to solve the following run time error. $ min_max_paths terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::negative_edge>

'

what(): The graph may not contain an edge with negative weight. Aborted (core dumped) My configuration is as follows: $ uname -a Linux triplecore 2.6.31.5-127.fc12.i686 #1 SMP Sat Nov 7 21:41:45 EST 2009 i686 athlon i386 GNU/Linux $ g++ -v Using built-in specs. Target: i686-redhat-linux Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla--enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --enable-plugin --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux Thread model: posix gcc version 4.4.4 20100630 (Red Hat 4.4.4-10) (GCC)