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 ('1fd0b6c8288fedd4d8d8007c50f3aadd', -1, 1752878228, 1752878228, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php