Not indexing, got error log

I am trying to index but it does not work.

I checked in logs that’s what I got:

State of the Index

Documents in the index: 0
Terms in the index: 0
Highest post ID indexed:

[Sat Jun 27 16:59:36.977934 2015] [:error] [pid 24891] [client 176.xx.xx.xx:60289] WordPress database error Unknown column 'term_reverse' in 'field list' for query INSERT IGNORE INTO wp_relevanssi (doc, term, term_reverse, content, title, comment, tag, link, author, category, excerpt, taxonomy, customfield, type, taxonomy_detail, customfield_detail, mysqlcolumn)\n\t\t\tVALUES (1434, 'verkti', REVERSE('verkti'), 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'apskritai', REVERSE('apskritai'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'verksmas', REVERSE('verksmas'), 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'i\xc5\xa1sivadavim\xc4\x85', REVERSE('i\xc5\xa1sivadavim\xc4\x85'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'sielos', REVERSE('sielos'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'kan\xc4\x8di\xc5\xb3', REVERSE('kan\xc4\x8di\xc5\xb3'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'psichin\xc4\x97s', REVERSE('psichin\xc4\x97s'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, '\xc4\xaftampos', REVERSE('\xc4\xaftampos'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'atsipalaidavim\xc4\x85', REVERSE('atsipalaidavim\xc4\x85'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'retkar\xc4\x8diais', REVERSE('retkar\xc4\x8diais'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'visa', REVERSE('visa'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'apimant\xc4\xaf', REVERSE('apimant\xc4\xaf'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'laim\xc4\x97s', REVERSE('laim\xc4\x97s'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'jausm\xc4\x85', REVERSE('jausm\xc4\x85'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'tiksli', REVERSE('tiksli'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'paai\xc5\xa1k\xc4\x97ja', REVERSE('paai\xc5\xa1k\xc4\x97ja'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0), (1434, 'konteksto', REVERSE('konteksto'), 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'post', '', '', 0) made by require_once('wp-admin/admin.php'), do_action('settings_page_relevanssi/relevanssi'), call_user_func_array, relevanssi_options, relevanssi_build_index, relevanssi_index_doc, referer: https://lamp.mintis.net/wp-admin/options-general.php?page=relevanssi%2Frelevanssi.php

https://www.ads-software.com/plugins/relevanssi/