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 ('b7f20b01e95c5d3294e498b401d9b49a', -1, 1717436851, 1717436851, '12da72f4', -7, 0, 0)

Line : 187
File : sessions.php