SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6.pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('22e0acbf0df08b172a535bb4edb1659f','0','3.135.195.249','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715454528','search.php?sid=6b261a174c7d6556556b6860bf474354','0','0','')
mysql error: Duplicate entry '22e0acbf0df08b172a535bb4edb1659f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 11.05.2024 @ 21:08
Script: /wbb2/search.php?sid=6b261a174c7d6556556b6860bf474354
Referer: