Why an I getting this message? My IMAP has no check off.

-----Original Message-----
From: rbanerjea@matungroup.com
Sent: Friday, December 1, 2017 12:01 PM
To: rbanerjea@matungroup.com
Subject: Synchronization Log:
Importance: High

12:00:30 Synchronizer Version 15.0.4971.1000

12:00:30 Synchronizing Mailbox 'rbanerjea@matungroup.com'

12:00:30 Synchronizing server changes in folder 'Drafts'

12:00:33 Synchronizing server changes in folder 'Inbox'

12:00:34 Error synchronizing folder

12:00:34                                [800CCC0F-0-0-560]

12:00:34 Canceled