phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81ef33e571bddcd3cbd7344a32b05fb6' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('81ef33e571bddcd3cbd7344a32b05fb6', -1, 1771965916, 1771965916, 'd849d8b4', 17, 0)

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