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 ('a2114a08a4f1b1560d6f02b35eb42a01', -1, 1714062200, 1714062200, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php