phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2f51fed0622a6bf156c46e49bfd5ec0b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('2f51fed0622a6bf156c46e49bfd5ec0b', -1, 1762304161, 1762304161, 'd849d800', -9, 0)

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