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 ('b84471e1759ed8d2111e8fa9d0fc88ee', -1, 1711632388, 1711632388, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php