On 13. Jul 2020, at 1.47, Vitalii <vnagara@yandex.com> wrote:

On Sun, 12 Jul 2020 23:45:07 +0300
Sami Ketola <sami.ketola@dovecot.fi> wrote:

On 12. Jul 2020, at 23.38, Sami Ketola <sami.ketola@dovecot.fi>
wrote:

On 12. Jul 2020, at 12.54, Vitalii <vnagara@yandex.com> wrote:

Panic: file imapc-sync.c: line 328 (imapc_initial_sync_check):
assertion failed: (mail_index_is_expunged(view, lseq) ||
seq_range_exists(&ctx->mbox->delayed_expunged_uids, luid))  

what dovecot version is this? I think there was bug around this in
some version.  

There was. Fixed in 2.2.36.

Sami

I have  v2.3.4.1 (f79e8e7e4).
Then supposed to be fixed :(.