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 ('e705231447615d7cbe2814df1a6e2eca','0','18.191.211.66','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715317496','ts_index.php?sid=fea737bcb8c739c13bbd3ba305af180f','0','0','')
mysql error: Duplicate entry 'e705231447615d7cbe2814df1a6e2eca' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 10.05.2024 @ 07:04
Script: /wbb2/ts_index.php?sid=fea737bcb8c739c13bbd3ba305af180f
Referer: