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 ('f4a7eef2602fd62bb6dbb13b548d8afd', -1, 1737655735, 1737655735, '038a7a60', 5, 0, 0)

Line : 187
File : sessions.php