Form Post results in 404 Not Found [duplicate]

I figured it out. Turns out that using the field name was the culprit. It appears that name and other field names like attachment, attachment_id, etc will cause WordPress to produce a 404 error. There’s a whole list of reserved terms in the Codex.

Registration Plugin – Recaptcha integration

Your plugin users will need to register their site at https://www.google.com/recaptcha/admin to use the reCAPTCHA API. Once registered, users will need to provide you with their Site Key and Secret Key. The Site Key allows you to display the reCAPTCHA on your Registration form. The Secret Key is used to confirm the reCAPTCHA field input.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)