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 ('35de0b7556aefbadd21bc35f2920fc68', -1, 1709419105, 1709419105, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php