phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9caea7d1bdb43f35c0b1126b4c7ec5d3', -1, 1716906579, 1716906579, '12bc5b2c', -4, 0, 0)

Line : 187
File : sessions.php