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 ('f96c1f1de242441c31cb5dde0b117cc0', -1, 1737556279, 1737556279, '12df9f8f', 3, 0, 0)

Line : 187
File : sessions.php