phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c21ae2c8cfba4b5ea20983fd9a6e5210' for key 'PRIMARY'

INSERT INTO phpbb1_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c21ae2c8cfba4b5ea20983fd9a6e5210', -1, 1714253600, 1714253600, '12bc3ddf', -1, 0, 0)

Line : 187
File : sessions.php