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 ('39276613381c3c885702f5b6059f96de', -1, 1752878851, 1752878851, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php