phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '84b2b5b98f7a9b9948c76328533d3d4d' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('84b2b5b98f7a9b9948c76328533d3d4d', -1, 1768119286, 1768119286, 'd849d83b', -9, 0)

Line : 180
File : /www/includes/sessions.php