phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21ee38720e68c6dff2e5ae51b4bd2d84' 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 ('21ee38720e68c6dff2e5ae51b4bd2d84', -1, 1754285169, 1754285169, 'd849d89d', 40, 0, 0)

Line : 187
File : sessions.php