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 ('b5fad2f825f1bb91609a72681a798c1d', -1, 1711707895, 1711707895, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php