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 ('3b5d1170effc7e41e255d72d08a4d02c', -1, 1737594156, 1737594156, '12d9ed44', 8, 0, 0)

Line : 187
File : sessions.php