phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8734987a0d4d71a932f892bd0b820b4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d8734987a0d4d71a932f892bd0b820b4', -1, 1756255063, 1756255063, 'd849d8a6', -9, 0)

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