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 ('ee7b382594a0f8e486e32c64f1ef2562', -1, 1717276167, 1717276167, '031080f8', 1, 0, 0)

Line : 187
File : sessions.php