phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff20c71b200d5c9f828c3bf20d8c7b5b' 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 ('ff20c71b200d5c9f828c3bf20d8c7b5b', -1, 1715204365, 1715204365, '1275e3c2', -4, 0, 0)

Line : 187
File : sessions.php