phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f255552a4969103e986e04b17e9ce502' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('f255552a4969103e986e04b17e9ce502', -1, 1768149502, 1768149502, 'd849d83b', 25, 0)

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