206 Partial message displayed when child theme is activated. How to tackle this?

my site is http://web.guru99.com/

in this website i had activate parent theme.

and i had another website – http://wordpress.guru99.com/

wordpress.guru99.com this site is clone site developed with the help of duplicator.

i had actvated child theme here – wordpress.guru99.com.

but in firebug some files loaded partial 206 message is displayed.

So what is the issue with my child theme.

enfold parent theme version – 1.7

child theme downloaded from parent theme website. so i think no any issue with child theme.

so how to tackle this issue.