I create an new protocol to test and do the alteration in files necessary, after compiled with ./configure, make clean, make, but where I execute 'ns tar6.tcl' occurs the following error: num_nodes is set 24 (_o14 cmd line 1) invoked from within "_o14 cmd addr" 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 "_o14" line 2) (SplitObject unknown line 2) invoked from within "_o14 addr" ("eval" body line 1) invoked from within "eval $node addr $args" ("default" arm line 2) invoked from within "switch -exact $routingAgent_ { DSDV { set ragent [$self create-dsdv-agent $node] } DSR { $self at 0.0 "$node start-dsr" } AODV { set ragent [$self cre..." (procedure "_o3" line 11) (Simulator create-wireless-node line 11) invoked from within "_o3 create-wireless-node" ("eval" body line 1) invoked from within "eval $self create-wireless-node $args" (procedure "_o3" line 23) (Simulator node line 23) invoked from within "$ns node" ("for" body line 2) invoked from within "for {set i 0} {$i < $num_nodes} {incr i} { set n($i) [$ns node] $n($i) set Y_ [expr 230*floor($i/$group_size) + 160*(($i%$group_size)>=($group..." (file "tar6.tcl" line 139)