SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions VALUES ('a894a9796466f36ed649a4e65dbe3d5c','41','85.13.150.62','Mozilla/5.0 (Bayoumas ICM-Galaxy Bot)','1745963395','thread.php?goto=nextnewest&threadid=3908','0','0','0','0','')
mysql error: Duplicate entry 'a894a9796466f36ed649a4e65dbe3d5c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.11.11-MariaDB-0ubuntu0.24.04.2-log
php version: 5.6.40-nmm10
Date: 29.04.2025 @ 23:49
Script: /wbb2/thread.php?goto=nextnewest&threadid=3908
Referer: