phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9fdf9f75b2b5f6b2a98b73c074ec2ad' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c9fdf9f75b2b5f6b2a98b73c074ec2ad', -1, 1752172440, 1752172440, 'd849d81d', -4, 0, 0)

Line : 187
File : sessions.php