Hi guys, I am trying to install ns-allinone-2.1b8a on UNIX(SOLARIS) machine.I get following error message tclsh ./../tools/genStubs.tcl ./../generic \ ./../generic/tcl.decls ./../generic/tclInt.decls invalid command name "namespace" make: *** [../generic/tclStubInit.c] Error 1 tcl8.3.2 make failed! Exiting ... Any help will be appreciated. rupinder