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 ('578da7ffaee93e4a0d3104fc1aae6c21','0','18.118.138.80','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745232956','attachment.php?attachmentid=6355','0','0','')
mysql error: Deadlock found when trying to get lock; try restarting transaction
mysql error number: 1213
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:55
Script: /attachment.php?attachmentid=6355
Referer: http://gttempel.de/attachment.php?attachmentid=6355