phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '218d41c7438c329f1861eafd5c9d714f' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('218d41c7438c329f1861eafd5c9d714f', -1, 1770126139, 1770126139, 'd849d8a2', -4, 0, 0)

Line : 187
File : sessions.php