phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('89fc1e73b0a0ec2cdf84b938b34d9c68', -1, 1711700471, 1711700471, '54ccfc03', 1, 0, 0)

Line : 187
File : sessions.php