phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '64843c4ce2f382bce0536f3db4cf183e' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('64843c4ce2f382bce0536f3db4cf183e', -1, 1773236300, 1773236300, 'd849d830', 0, 0)

Line : 152
File : /home/bsc/v1/phpbb2/includes/sessions.php