emailext logs

[Pipeline] {
[Pipeline] emailextrecipients
14:43:53   Collecting change authors...
14:43:53     build: 46
14:43:53 testResultAction was null
[Pipeline] emailext
14:43:53 messageContentType = text/html; charset=UTF-8
14:43:53 Adding recipients from project recipient list
14:43:53 Adding recipients from trigger recipient list
14:43:53 Successfully created MimeMessage
14:43:53 An attempt to send an e-mail to empty list of recipients, ignored.
14:43:53 Some error occured trying to send the email...check the Jenkins log
[Pipeline] }