SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('ab9fed472785723b93c69dc7aa21392a','0','3.22.249.158','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715487765','search.php?action=user&userid=94&sid=afdec43861cb3669b3bd231af7541670','0','0','')
mysql error: Duplicate entry 'ab9fed472785723b93c69dc7aa21392a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 06:22
Script: /search.php?action=user&userid=94&sid=afdec43861cb3669b3bd231af7541670
Referer: http://wehrbauten.de/search.php?action=user&userid=94&sid=afdec43861cb3669b3bd231af7541670