Error in running tcl file

Anis Reena Adira <[email protected]> Sat, 5 Jun 2021 23:50:50 +0700
Newsgroups gmane.network.simulator.isi
Message-ID <CAKcW7bNYV1vfv5e1L=vtvyo5qRGUmCdCj5attRn7w+BCwyeucw@mail.gmail.com>
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I keep getting this error. Can someone help me?

num_nodes is set 10
can't read "opt(ll)": no such element in array
    while executing
"$ns_ node-config -adhocRouting $opt(rp) \
  -llType $opt(ll) \
-macType $opt(mac) \
-ifqType $opt(ifq) \
  -ifqLen $opt(ifqlen) \
  -antType $o..."
    (file "aodv2.tcl" line 43)

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<div dir=3D"ltr"><div>I keep getting this error. Can someone help me?</div>=
<div><br></div><div>num_nodes is set 10<br>can&#39;t read &quot;opt(ll)&quo=
t;: no such element in array<br>=C2=A0 =C2=A0 while executing<br>&quot;$ns_=
 node-config -adhocRouting $opt(rp) \<br>=C2=A0		-llType $opt(ll) \<br>		-m=
acType $opt(mac) \<br>		-ifqType $opt(ifq) \<br>=C2=A0		-ifqLen $opt(ifqlen=
) \<br>=C2=A0		-antType $o...&quot;<br>=C2=A0 =C2=A0 (file &quot;aodv2.tcl&=
quot; line 43)<br></div></div>

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