phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '39b511fe91b98850c4fcb08fdb6fa85c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('39b511fe91b98850c4fcb08fdb6fa85c', -1, 1770194017, 1770194017, 'd849d8a9', -9, 0)

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