i am testing ns2 2.28 on ubuntu 9.10 AMD64 i installed ns2 from deb http://bode.cs.uni-magdeburg.de/~aherms/debian <http://bode.cs.uni-magdeburg.de/%7Eaherms/debian> sid ns2
but it have an error nam: invalid command name "tcl_findLibrary" who can help me?