phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd9fff8cdd06509e890ff7ffc26e4ed3d' 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 ('d9fff8cdd06509e890ff7ffc26e4ed3d', -1, 1714201893, 1714201893, '03916969', -11, 0, 0)

Line : 187
File : sessions.php