It means the user isn't on any lists.
av[1] = after[U_NAME];
code = mr_query("get_lists_of_member", 2, av,
add_user_lists, after[U_NAME]);
av[1] = after[U_NAME];
code = mr_query("get_lists_of_member", 2, av,
add_user_lists, after[U_NAME]);
+ if (code && code != MR_NO_MATCH)
critical_alert("incremental",
"Couldn't retrieve membership of user %s: %s",
after[U_NAME], error_message(code));
critical_alert("incremental",
"Couldn't retrieve membership of user %s: %s",
after[U_NAME], error_message(code));