elsif($attrName eq "sumERROR"){
if ($cmd eq "set"){
foreach (split ",",$attrVal){ #prepare reading filter for error counts
my ($p,@a) = split ":",$_;
return "parameter illegal - "
# if(!$p || !$a[0]);
if(!$p || !defined $a[0]);#frank: allow "0" for a good value
}
}
}