returning 404 page error on form submission [duplicate]

change input name for name field to contactName or cName etc.

<input type="text" name="cName" id="name" placeholder="Your name" autocomplete="off" tabindex="1" class="txtinput" value=""/>

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