phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c842cf9a31778bc68aa2ea56f5f485e7' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('c842cf9a31778bc68aa2ea56f5f485e7', -1, 1766821675, 1766821675, 'd849d893', 8, 0)

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