[Dovecot] index_mailbox_set_recent_uid error on 1.1.14

[Mike Abbott]

>> Panic: IMAP(user): file index-sync.c: line 39  
>> (index_mailbox_set_recent_uid): assertion failed:  
>> seq_range_exists(&ibox->recent_flags, uid)
>
> Did it log anything else?

Trying to find out.....