https://bugs.openldap.org/show_bug.cgi?id=10032
--- Comment #1 from Ondřej Kuzník ondra@mistotebe.net --- This is caused by ITS#8977 changing the members of mdbocs. But pcache (wrongly?) expects that cm->db.bd_info->bi_cf_ocs would be the DB config objectclass and not the one for its backend.