If you're getting an error message, could you press the "Details" button and copy the text?
Voici ce que j'ai dans "Détails"
invalid command name "<<<<<<<"
while executing
"<<<<<<< .mine"
(procedure "::NS::Snit_methodsetInitialNicknameCB" line 30)
invoked from within
"::ns setInitialNicknameCB NLN NLN anthony 2010-03-07T06:13:25-08:00 {} 0"
("eval" body line 1)
invoked from within
"eval $callbk [list $nick $last_modif $psm $fail]"
et le bug arrive dés que je me connecte
(je suis sous Mac OS X 10.5.8 )