message: Fix error while trying to split undefined on bad LinkedIn proofs.
diff: @@ -27,6 +27,9 @@ class LinkedIn extends Service {
  const profileLink = $('article').find('.post-meta__profile-link')
  if (profileLink !== undefined) {
  + if(profileLink.attr('href') === undefined) {
  + return ''
  + }
  return profileLink.attr('href').split('/').pop()
  } else {
  return ''
  