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 ('2c497b843f778dc50db505cc74338595', -1, 1717244827, 1717244827, '12da72f4', 3, 0, 0)

Line : 187
File : sessions.php