Hi. I have a scripted field below and when I'm trying to visualize it by the field, it throws a 400 error, "A document doesn't have a value for a field". I've tried suggestions on the forum but none of them work. Were there any changes that are changing the behavior of .size method? Otherwise, how to fix the error?  def p = doc['nginx.access.url.keyword'].value;  if (doc['nginx.access.url.keyword'].size() == 0) return '';  if (p != '/') {   int lastSlashIndex = p.lastIndexOf('/');     if (lastSl...