publish command is not working in rmstsource + diffusion + ns2
 

Dear NS users i am trying to use rmst in diffusion to send my data through my wireless sensor network
I have build my network but i am having problem in making the source starting to publish
when i put "src publish" i get the following error plz help
ns: _o98 publish:
(_o98 cmd line 1)
invoked from within
"_o98 cmd publish"
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 "_o98" line 2)
(SplitObject unknown line 2)
invoked from within
"_o98 publish"


Thanx for any suggestions