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 ('9729f63537bf1d29f3b84228c5dcf228', -1, 1719082261, 1719082261, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php