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 ('14c2dbaaaf9d2fb15539c9ec099e27ce', -1, 1711661796, 1711661796, '54ccfc03', -9, 0, 0)

Line : 187
File : sessions.php