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 ('b432857404ad1e9bf7702b0a0b9f517e','0','18.118.120.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715359862','jgs_galerie.php?sid=7bf4c16f59fd98d45c9a6c5590333d4b','0','0','')
mysql error: Duplicate entry 'b432857404ad1e9bf7702b0a0b9f517e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 18:51
Script: /jgs_galerie.php?sid=7bf4c16f59fd98d45c9a6c5590333d4b
Referer: http://wehrbauten.de/jgs_galerie.php?sid=7bf4c16f59fd98d45c9a6c5590333d4b