Dovecot 2.2.27 > 2.2.24 downgrade errors

[Mart Pirita]

Hello.

Due win10 issue I had to downgrade 2.2.27 > 2.2.24 and now some gettings
errors for some users:

Dec 12 14:42:17 server dovecot: imap(user): Panic: file
mail-index-sync-keywords.c: line 227 (keywords_update_records):
assertion failed: (data_offset >= sizeof(struct mail_index_record))
Dec 12 14:42:17 star dovecot: imap(senefelder): Error: Raw backtrace:
/usr/lib/dovecot/libdovecot.so.0 [0x40185760] ->
/usr/lib/dovecot/libdovecot.so.0 [0x401863a6] ->
/usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x4018590c] ->
/usr/lib/dovecot/libdovecot-storage.so.0 [0x400d80cf] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_keywords+0x182)
[0x400d829a] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0x400d9405] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_record+0x2f)
[0x400d98cb] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_map+0x31c)
[0x400d9d24] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_map+0x9e)
[0x400d17a2] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0x400e5f3f] ->
/usr/lib/dovecot/libdovecot-storage.so.0 [0x400e6241] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_open+0x86)
[0x400e635e] ->
/usr/lib/dovecot/libdovecot-storage.so.0(index_storage_mailbox_open+0xa4)
[0x400c19e4] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0x40076cce] ->
/usr
Dec 12 14:42:17 server dovecot: imap(user): Fatal: master:
service(imap): child 1090 killed with signal 6 (core dumps disabled)


I did stop dovecot, removed all dovecot-* and dovecot.* files from user
Maildir, still sameerrors.


Please advise?


-- 
Mart