Please post in https://wordpress.org/support/theme/hemingway/
Why are you using an old copy of WordPress? Were you aware that your site is currently running a very real risk of being hacked? Added to which, this theme may not be compatible with your version of WordPress. You need to upgrade WordPress asap. As you have such an old version of WordPress, you will need to carry out a series of smaller manual upgrades. See Upgrading_WordPress_Extended for the full details.