can't use non-numeric string as operand of "&"
while executing
"if { $bin & 1 } {
lappend lists "FL"
}"
(procedure "process_msnp11_lists" line 10)
invoked from within
"process_msnp11_lists $list_names"
(procedure "::NS::Snit_methodhandleLST" line 45)
invoked from within
"$self handleLST $command"
("LST" arm line 3)
invoked from within
"switch [lindex $command 0] {
ILN {
if {$::msnp13} {
$self handleILN $command
} else {
cmsn_ns_handler $command $message
..."
(procedure "::NS::Snit_methodhandleCommand" line 27)
invoked from within
"$options(-name) handleCommand $command"
(procedure "::Connection::Snit_methodreceivedData" line 44)
invoked from within
"ns receivedData"