phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '59702da7e70686d2301036deef8b255a' 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 ('59702da7e70686d2301036deef8b255a', -1, 1768322232, 1768322232, '00000000', -501, 0, 0)

Line : 187
File : sessions.php