phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9c5ed8db8e61c95ba0c78e9d9a8c256' 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 ('a9c5ed8db8e61c95ba0c78e9d9a8c256', -1, 1732269091, 1732269091, '0aff0001', 1, 0, 0)

Line : 199
File : sessions.php