wordpress contact form 7 plugin returns js error on console

wordpress contact form 7 plugin returns js error on console. this is the contact form . the error is on auto genarated code by the plugin itself

 <div class="row">

<div class="col-xs-12  col-sm-4">

[text* your-name class:wpcf7-form-control wpcf7-text placeholder "Your Name"] 

[email* your-email class:wpcf7-form-control wpcf7-text wpcf7-email placeholder "E-mail address" ] 

[text your-subject class:wpcf7-form-control wpcf7-text placeholder "Subject"]

</div>

<div class="col-xs-12  col-sm-8">

[textarea your-message class:wpcf7-form-control wpcf7-textarea class:txt placeholder "Message"] 

[submit class:wpcf7-form-control wpcf7-submit class:btn class:btn-primary "SEND MESSAGE" ]

  </div>

 </div>

via Chebli Mohamed