phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f9847c51a0c5821b9940ccdf2b674f81' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f9847c51a0c5821b9940ccdf2b674f81', -1, 1714863951, 1714863951, '12d99020', -7, 0, 0)

Line : 187
File : sessions.php