Problem with URL: Could not connect to page: “UTF-8”

Hi,

I have a blog https://www.desibabesworld.com

when am checking this site in validator ( https://www.totalvalidator.com/validator/ValidatorForm )

It show this Error — Problem with URL: Could not connect to page: “UTF-8”

Don,t know y, rest of other sites are working fine and whenever i do some changes in this theme to add some plugins or Ads. That will take so much time to publish near about 30 min. I also Chk with other theme also again this error will come – Problem with URL: Could not connect to page: “UTF-8”

So kindly help me.