Sorry for the inconvenience , it seems like you are using outdated version 1.1.2 . We already came up to version 2.0.0. So we request you to update the theme to latest version. This may solve your issue.
Note: Please take a backup of your site before proceeding so you will be in position to take action when disaster strikes.
. Normally we use duplicator plugin to make a backup.https://wordpress.org/plugins/duplicator/.