phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('853e78ddd8fa12837a0b9987b8725ac0', -1, 1717270208, 1717270208, '12bc4042', -2, 0, 0)

Line : 187
File : sessions.php