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 ('e3aea12cec8b9ecf66b0fed86b1a5feb', -1, 1711634555, 1711634555, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php