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 ('7dc1a768387fc4266ef584b901bc42dd', -1, 1711705357, 1711705357, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php