phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '09a7818bdbf52c3ffd499230cf87a6d7' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('09a7818bdbf52c3ffd499230cf87a6d7', -1, 1771683668, 1771683668, 'd849d892', -2, 0)

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