please i need your help when i excute my script i have this error :Scheduler: Event UID not valid! and i can't find the error i use the same exmple of Marc Greis's Tutorial http://www.isi.edu/nsnam/ns/tutorial/nsscript5.html , i have changed nothing, please i want to know where is the problem, many thanks for your help -- View this message in context: http://old.nabble.com/error-in-my-script-tcl-tp32824365p32824365.html Sent from the ns-users mailing list archive at Nabble.com.