pls assist with the following error while trying to run ns. i tried running different codes on ns 2.31 and ns 2.33, i keep getting the same error [code omitted because of length] : expected a list of classes but got Application/VoipEncoder (Class superclass line 18) (Object init line 18) invoked from within "Source/VoipEncoder init -superclass Application/VoipEncoder" (Class create line 1) invoked from within "Class create Source/VoipEncoder -superclass Application/VoipEncoder" ("eval" body line 1) invoked from within "eval [list $self] create [list $m] $args " (procedure "Class" line 5) (Class unknown line 5) invoked from within "Class Source/VoipEncoder -superclass Application/VoipEncoder"
daramola