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 ('d2dcfde970bb87ab4ac8409ea03d8ae6', -1, 1752877766, 1752877766, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php