phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1c9b87a6c9d49199112d1ccd38a33404' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1c9b87a6c9d49199112d1ccd38a33404', -1, 1715499203, 1715499203, 'c0a80201', 16, 0, 0)

Line : 187
File : sessions.php