phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6065ad6c2d6f6ff8c476405a2dcc49ff' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6065ad6c2d6f6ff8c476405a2dcc49ff', -1, 1777719817, 1777719817, 'd849d967', -9, 0, 0)

Line : 187
File : sessions.php