dovecot - Sep 2015 - Error: Raw backtrace: and Transaction log changed unexpectedly, can't get modseq

Hi there,

i've got some errors in my log files

# dovecot --version
2.2.9
Here the Log's:

Aug?26?12:05:39?s-imap4?dovecot:?dsync-server(ralph.carstens.iea-dpc.de):?Error:?Raw?backtrace:?/usr/lib/dovecot/libdovecot.so.0(+0x5e271)?[0x7f61d943c271]?->?/usr/lib/dovecot/libdovecot.so.0(+0x5e34e)?[0x7f61d943c34e]?->?/usr/lib/dovecot/libdovecot.so.0(i_fatal+0)?[0x7f61d93f7a9e]?->?/usr/lib/dovecot/modules/lib01_acl_plugin.so(+0x53e2)?[0x7f61d8c083e2]?->?/usr/lib/dovecot/modules/lib01_acl_plugin.so(+0x72d9)?[0x7f61d8c0a2d9]?->?/usr/lib/dovecot/modules/lib01_acl_plugin.so(acl_attribute_iter_next+0x5d)?[0x7f61d8c0953d]?->?/usr/lib/dovecot/libdovecot-storage.so.0(+0x99e73)?[0x7f61d973fe73]?->?/usr/lib/dovecot/libdovecot-storage.so.0(index_storage_mailbox_delete+0xf8)?[0x7f61d9741338]?->?/usr/lib/dovecot/modules/lib15_notify_plugin.so(+0x1d10)?[0x7f61d87efd10]?->?/usr/lib/dovecot/modules/lib01_acl_plugin.so(+0xbe16)?[0x7f61d8c0ee16]?->?/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_delete+0x27)?[0x7f61d9717f77]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](dsync_brain_mailbox_tree_sync_change+0x281)?[0x7f61d9bf4e21]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](dsync_brain_recv_mailbox_tree_deletes+0x11b)?[0x7f61d9bf4aeb]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](dsync_brain_run+0x4e3)?[0x7f61d9bf1f53]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](+0x1c270)?[0x7f61d9bf2270]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](+0x2de60)?[0x7f61d9c03e60]?->?/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x27)?[0x7f61d944c247]?->?/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xd7)?[0x7f61d944cfd7]?->?/usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)?[0x7f61d944bde8]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](+0x1a189)?[0x7f61d9bf0189]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](+0xebeb)?[0x7f61d9be4beb]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](+0x184d3)?[0x7f61d9bee4d3]?->?/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x27)?[0x7f61d944c247]?->?/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xd7)?[0x7f61d944cfd7]?->?/usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)?[0x7f61d944bde8]?->?/usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)?[0x7f61d93fcc93]?->?dovecot/doveadm-server?[ralph.carstens.iea-dpc.de?recv_mailbox_tree_deletes](main+0x11b)?[0x7f61d9be494b]?->?/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)?[0x7f61d903aec5]

and

Aug?26?09:33:03?s-imap3?dovecot:?dsync-local(dv.iea-dpc.de):?Error:?/vmail/iea-dpc.de/dv/Maildir/.Projekte.BiSpra.erledigt/dovecot.index.log:?Transaction?log?changed?unexpectedly,?can't?get?modseq
Aug?26?09:33:03?s-imap3?dovecot:?dsync-local(dv.iea-dpc.de):?Error:?/vmail/iea-dpc.de/dv/Maildir/.Projekte.BiSpra.erledigt/dovecot.index.log:?Transaction?log?changed?unexpectedly,?can't?get?modseq

Can you help me?

Gru? Andreas



-- 
IEA Data Processing and Research Center
Andreas Fineske
ICT Services
Mexikoring 37
22297 Hamburg
Germany
tel: +49 40 48 500-550
fax: +49 40 48 500-501
email:andreas.fineske at iea-dpc.de
web: www.iea-dpc.de
-- 
--
IEA Data Processing and Research Center
Andreas Fineske
Information and Communication Technology Services
Mexikoring 37
22297 Hamburg
Tel.: 040/48 500 550
Fax:??040/48 500 501
E-Mail: andreas.fineske at iea-dpc.de
Web:??www.iea-dpc.de
--