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 ('4f2b9aeb9b25bba95c2edf81feac0340','0','3.143.111.233','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715893456','jgs_portal.php?id=72&sid=?sid=4f788d31fcc8b330d5914f2a39937e97','0','0','')
mysql error: Can't open file: './usr_web337_1/bb1_sessions.frm' (errno: 24)
mysql error number: 1016
mysql version: 5.5.62-0+deb8u1
php version: 5.3.28
Date: 16.05.2024 @ 23:04
Script: /wbb2/jgs_portal.php?id=72&sid=?sid=4f788d31fcc8b330d5914f2a39937e97
Referer: