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 ('5e652ac0c9413416ae08f3229d6589e4', -1, 1728711632, 1728711632, '22ef96a7', -8, 0, 0)

Line : 187
File : sessions.php