phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1dd800a0ff7fe9490eb2bd7cdb0ded16' for key 'PRIMARY'

INSERT INTO aristo_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1dd800a0ff7fe9490eb2bd7cdb0ded16', -1, 1773555830, 1773555830, 'd849d87f', 731, 0, 0)

Line : 187
File : sessions.php