[Dovecot] User Can't Access Public Folder

[Asai]

Greetings,

I have set up some public folders for Thunderbird, and one user in 
particular cannot access the shared folders.  This is the message I get 
from /var/log/maillog (I should add that the domain name is over 35 
characters long!):

Jun 18 14:38:23 triata dovecot: IMAP(user at mydomain.com): Panic: file 
maildir-uidlist.c: line 1242 (maildir_uidlist_records_drop_expunges): 
assertion failed: (recs[i]->uid < rec->uid)
Jun 18 14:38:23 triata dovecot: IMAP(user at mydomain.com): Raw backtrace: 
imap [0x49ec70] -> imap [0x49ecd3] -> imap [0x49e336] -> imap [0x440ced] 
-> imap(maildir_uidlist_sync_finish+0x28a) [0x44183a] -> imap [0x43c9c1] 
-> imap(maildir_storage_sync_init+0x14e) [0x43ce2e] -> 
imap(mailbox_sync+0x30) [0x467250] -> imap(cmd_select_full+0x1ae) 
[0x41e00e] -> imap(cmd_select+0xb) [0x41e8eb] -> imap [0x42086c] -> imap 
[0x420922] -> imap(client_handle_input+0x3f) [0x420a5f] -> 
imap(client_input+0x5f) [0x4215af] -> imap(io_loop_handler_run+0xf8) 
[0x4a6af8] -> imap(io_loop_run+0x1d) [0x4a5c0d] -> imap(main+0x620) 
[0x428e50] -> /lib64/libc.so.6(__libc_start_main+0xf4) [0x3c8861d8a4] -> 
imap [0x419ac9]
Jun 18 14:38:23 triata dovecot: dovecot: child 5272 (imap) killed with 
signal 6 (core dumps disabled)

-- 
asai