سلام من وقتی کد tcl ام رو درمحیط vmware با شبیه ساز ns2 اجرا میکنم error زیر در محیط ترمینال نمایش داده میشه کسی میتونه کمکم کنه؟
کد:
  	num_nodes is set 11
	INITIALIZE THE LIST xListHead
	Starting Simulation...
	SORTING LISTS ...DONE!
	channel.cc:sendUp - Calc highestAntennaZ_ and distCST_
	highestAntennaZ_ = 1.5, distCST_ = 550.0
	ns: _o234 setdest 2844.09 1207.42 17.56:
	(_o234 cmd line 1)
	invoked from within
	"_o234 cmd setdest 2844.09 1207.42 17.56"
	invoked from within
	"catch "$self cmd $args" ret"
	invoked from within
	"if [catch "$self cmd $args" ret] {
	set cls [$self info class]
	global errorInfo
	set savedInfo $errorInfo
	error "error when calling class $cls: $args" $...
	(procedure "_o234" line 2)
	(SplitObject unknown line 2)
	invoked from within
	"_o234 setdest 2844.09 1207.42 17.56"