Date: Fri Jul 29 2022 - 07:12:07 CDT

I am following the network tutorial to learn how to carry out network analysis using Xshell.
However, I've got a problem in "3.4 Exmaine critical nodes and edges... communities".
As written in the tutorial, I chose the Critical Node radio button and selected Color ID. But when I hit Apply, I got:
list index out of range
list index out of range
    while executing
"lset edges2 $currentNetwork $edgeColor [lindex $ids 0] $tempIndex2 $color"
    (procedure "colorEdges" line 29)
    invoked from within
"colorEdges $nodeIndexPairs $color"
    (procedure "colorCriticalNodes" line 20)
    invoked from within
"colorCriticalNodes $colorId"
    (procedure "executeCriticalNode" line 15)
    invoked from within
    (procedure "::NetworkView::executeAction" line 60)
    invoked from within
    invoked from within
" invoke"
    ("uplevel" body line 1)
    invoked from within
"uplevel #0 [list $w invoke]"
    (procedure "tk::ButtonUp" line 22)
    invoked from within
    (command bound to event)

I would want to konw what should I do about this error.