sieve folders server bug

Recently emclient is trying to open my servers SIEVE folders as if they were IMAP folders. How do I stop it?

6:02:07 pm D-I.COM [IMAP]  Synchronizing messages: For folder D-I.COM/dovecot.sievec
6:02:07 pm D-I.COM [IMAP]  MailClient.Protocols.Imap.FolderOpenException: Cannot open folder "D-I.COM/dovecot.sievec.". ([SERVERBUG] Internal error occurred. Refer to server log for more information. [2017-12-01 10:02:07])
6:02:07 pm    at MailClient.Protocols.Imap.ConnectionPoolEntry.SelectFolder(Folder value, Boolean force)
6:02:07 pm    at MailClient.Protocols.Imap.ConnectionPool.AcquireConnection(Folder mailFolder, Boolean idle, Boolean forStore)
6:02:07 pm    at MailClient.Protocols.Imap.ConnectionContext…ctor(ImapAccount account, Folder folder, Boolean forStore)
6:02:07 pm    at MailClient.Protocols.Imap.Synchronizer.FolderInfo.CreateConnectionContext()
6:02:07 pm    at MailClient.Protocols.Imap.Synchronizer.SynchronizeMessagesCommand.ExecuteInternal(WorkerStatus status)
6:02:07 pm D-I.COM [IMAP]  Synchronizing messages: Done
6:02:07 pm D-I.COM [IMAP]  Synchronizing subfolders: For folder D-I.COM/dovecot.sievec
6:02:07 pm D-I.COM [IMAP]  Synchronizing subfolders: Done
6:02:07 pm D-I.COM [IMAP]  Synchronizing messages: For folder D-I.COM/dovecot.lda-dupes
6:02:09 pm D-I.COM [IMAP]  MailClient.Protocols.Imap.FolderOpenException: Cannot open folder "D-I.COM/dovecot.lda-dupes.". ([SERVERBUG] Internal error occurred. Refer to server log for more information. [2017-12-01 10:02:09])
6:02:09 pm    at MailClient.Protocols.Imap.ConnectionPoolEntry.SelectFolder(Folder value, Boolean force)
6:02:09 pm    at MailClient.Protocols.Imap.ConnectionPool.AcquireConnection(Folder mailFolder, Boolean idle, Boolean forStore)
6:02:09 pm    at MailClient.Protocols.Imap.ConnectionContext…ctor(ImapAccount account, Folder folder, Boolean forStore)
6:02:09 pm    at MailClient.Protocols.Imap.Synchronizer.FolderInfo.CreateConnectionContext()
6:02:09 pm    at MailClient.Protocols.Imap.Synchronizer.SynchronizeMessagesCommand.ExecuteInternal(WorkerStatus status)
6:02:09 pm D-I.COM [IMAP]  Synchronizing messages: Done
6:02:09 pm D-I.COM [IMAP]  Synchronizing subfolders: For folder D-I.COM/dovecot.lda-dupes
6:02:09 pm D-I.COM [IMAP]  Synchronizing subfolders: Done
6:02:09 pm D-I.COM [IMAP]  Synchronizing messages: For folder D-I.COM/dovecot.svbin
6:02:11 pm D-I.COM [IMAP]  MailClient.Protocols.Imap.FolderOpenException: Cannot open folder "D-I.COM/dovecot.svbin.". ([SERVERBUG] Internal error occurred. Refer to server log for more information. [2017-12-01 10:02:11])
6:02:11 pm    at MailClient.Protocols.Imap.ConnectionPoolEntry.SelectFolder(Folder value, Boolean force)
6:02:11 pm    at MailClient.Protocols.Imap.ConnectionPool.AcquireConnection(Folder mailFolder, Boolean idle, Boolean forStore)
6:02:11 pm    at MailClient.Protocols.Imap.ConnectionContext…ctor(ImapAccount account, Folder folder, Boolean forStore)
6:02:11 pm    at MailClient.Protocols.Imap.Synchronizer.FolderInfo.CreateConnectionContext()
6:02:11 pm    at MailClient.Protocols.Imap.Synchronizer.SynchronizeMessagesCommand.ExecuteInternal(WorkerStatus status)
6:02:11 pm D-I.COM [IMAP]  Synchronizing messages: Done
6:02:11 pm D-I.COM [IMAP]  Synchronizing subfolders: For folder D-I.COM/dovecot.svbin
6:02:11 pm D-I.COM [IMAP]  Synchronizing subfolders: Done
6:02:11 pm D-I.COM [IMAP]  Synchronizing messages: For folder D-I.COM/dovecot.sieve
6:02:13 pm D-I.COM [IMAP]  MailClient.Protocols.Imap.FolderOpenException: Cannot open folder "D-I.COM/dovecot.sieve.". ([SERVERBUG] Internal error occurred. Refer to server log for more information. [2017-12-01 10:02:14])