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 ('dffb4cef72e6a76e291a4013247971d4', -1, 1737571117, 1737571117, '0d3b5c8b', 38, 0, 0)

Line : 187
File : sessions.php