Two things are needed for the fix, these are the following:
Check theme name in stylesheet.css, make sure the folder that houses the theme files has this name. (After renaming you will have to ‘reactivate’ the theme in WordPress)
As above, go into tools folder and edit theme-options.php, search for $settings = ‘mods_’.get_current_theme(); and change to $settings = ‘theme_mods_’.get_current_theme();