phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3c9cbd2db790d521ff8f6400fba20f66' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('3c9cbd2db790d521ff8f6400fba20f66', -1, 1755396114, 1755396114, 'd849d88f', -9, 0)

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