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 ('61c7c6180d518ffd78b7f3936a7a1bce', -1, 1711663966, 1711663966, '54ccfc03', 1, 0, 0)

Line : 187
File : sessions.php