I say "SuggestionEngine plugin AuthorityFile is hard-coded to use Zebra" but actually it's hard-coded to use C4::AuthoritiesMarc::SearchAuthorities which is hard-coded to use Zebra.
So, if you're using Elasticsearch and you've turned off your Zebrasrv, you're likely to see the following error in your logs: [WARN] oAuth error: Connect failed (10000) unix:/var/run/koha/INSTANCE/authoritysocket ZOOM
Arg there are 2 value builders UNIMARC with it : cataloguing/value_builder/unimarc_field_210c.pl:use C4::AuthoritiesMarc qw( GetAuthority SearchAuthorities ); cataloguing/value_builder/unimarc_field_210c.pl:###TODO To rewrite in order to use SearchAuthorities cataloguing/value_builder/unimarc_field_210c.pl: my ( $results, $total ) = SearchAuthorities( cataloguing/value_builder/unimarc_field_225a.pl:use C4::AuthoritiesMarc qw( SearchAuthorities GetAuthority ); cataloguing/value_builder/unimarc_field_225a.pl: my ( $results, $total ) = SearchAuthorities(