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 ('955d45ecf9616027d8959564b1005d17', -1, 1737593539, 1737593539, '12bfab1a', -9, 0, 0)

Line : 187
File : sessions.php