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 ('c6eb60fd61b71bf5f83d3c53bcef7094', -1, 1737438947, 1737438947, '12778c02', 27, 0, 0)

Line : 187
File : sessions.php