phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '221f8464d34cac76f97218dbb971964c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('221f8464d34cac76f97218dbb971964c', -1, 1757605007, 1757605007, 'd849d803', 42, 0, 0)

Line : 187
File : sessions.php