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='54.163.39.19') WHERE t.threadid = '3847'
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: 18.01.2018 @ 00:47
Script: /thread.php?threadid=3847&page=1&sid=aa9e2c6a49fd54645bea77dc5c5f9a95
Referer: