phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '63f4971d590c14bb369f2168907d1a8a' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('63f4971d590c14bb369f2168907d1a8a', -1, 1767972252, 1767972252, 'd849d8af', 8, 0)

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