On the slave server (loglevel -1)

warning: cannot assess the validity of the ACL scope within backend naming context   (by * none)
warning: cannot assess the validity of the ACL scope within backend naming context    (by * read)

*************************************************************************************************
On the master server (loglevel -1)
warning: cannot assess the validity of the ACL scope within backend naming context   (by * none)
warning: cannot assess the validity of the ACL scope within backend naming context    (by * read)


 => bdb_inequality_candidates (entryCSN)
 => key_read
 bdb_idl_fetch_key:
 <= bdb_index_read 1 candidates
 => key_read
 bdb_idl_fetch_key:
 <= bdb_index_read: failed (-30990)
 <= bdb_inequality_candidates: id=1, first=229, last=229
 <= bdb_filter_candidates: id=1 first=229 last=229
 <= bdb_list_candidates: id=1 first=229 last=229
 <= bdb_filter_candidates: id=1 first=229 last=229
 bdb_search_candidates: id=1 first=229 last=229