HELP !!

[tionardi <tionardi@fokus.gmd.de>]

I run my script of extended SHARQFEC package from Roger Kermode and
found the following error message:

ns: _o157 recv data 1025 0 0 16 15 0: error when calling class
"Scheduler/Calendar": at 6.05234 {_o193 playout-reached}
    while executing
"error "error when calling class \"$cls\": $args""
    invoked from within
"if [catch "$self cmd $args" ret] {
set cls [$self info class]
error "error when calling class \"$cls\": $args"
}"
    (procedure "_o4" line 2)
    invoked from within
"_o4 at 6.05234 {_o193 playout-reached}"
    ("eval" body line 1)
    invoked from within
"eval $scheduler_ at $args"
    invoked from within
"return [eval $scheduler_ at $args]..."
    (procedure "_o2" line 3)
    invoked from within
"$ns_ at $playout_time_ "$self playout-reached""
    invoked from within
"set playout_eventID_ [$ns_ at $playout_time_ "$self
playout-reached"]..."
    (procedure "_o193" line 18)
    invoked from within
"$pending_($sender:$grpid) schedule-playout-timer $pktid"
    invoked from within
"if  { $sender == [$self set addr_] } {
                    # we are the source of this packet, goto phase 0
                    $self debug "New source group $grpid"

                    set p ..."
    invoked from within
"if { [$self heard-grp-already? $sender $grpid] } {
                # should not get here!!!!
                error "Very late packet"
            } else {
                $self mark-period red-req
                 ..."
    invoked from within
"if { ![info exists pending_($sender:$grpid)] } {
            # New group, check to see it is not a very late packet
            if { [$self heard-grp-already? $send ..."
    (procedure "_o157" line 6)
    invoked from within
"_o157 recv-data 1025 0 0 16 15 0"
    ("eval" body line 1)
    invoked from within
"eval $self recv-$type $args"
    (procedure "_o157" line 2)
    invoked from within
"_o157 recv data 1025 0 0 16 15 0"

Can someone help me?

regards,

laurensius.