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 ('5f6db9460544589dd77108f4e8c4335d', -1, 1737558707, 1737558707, '038ec66c', 8, 0, 0)

Line : 187
File : sessions.php