phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8a70c20c4888e1072b017f804c3dd54b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('8a70c20c4888e1072b017f804c3dd54b', -1, 1766774439, 1766774439, 'd849d893', 37, 0)

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