phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '88126fd2ad8f770646fad5c742116851' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('88126fd2ad8f770646fad5c742116851', -1, 1759759945, 1759759945, 'd849d8bc', 20, 0)

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