phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a40c444b83a1673e3a12a4109893c281' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('a40c444b83a1673e3a12a4109893c281', -1, 1768013903, 1768013903, 'd849d83b', 8, 0)

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