SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT t.*, v.id AS isvoted FROM bb1_threads t LEFT JOIN bb1_votes v ON (v.id=t.threadid AND v.votemode=2 AND v.ipaddress='54.227.104.40') WHERE t.threadid = '4700'
mysql error: Unknown column 'v.votemode' in 'on clause'
mysql error number: 1054
mysql version: 5.5.58-0+deb7u1-log
php version: 5.6.33
Date: 17.01.2018 @ 22:36
Script: /thread.php?threadid=4700&sid=5a680a5fa0a2dd2c3bb4587a5cff7248
Referer: