When adding the location in admin did you enter your location coordinates manually?
You can also try this fix to use google maps API in the geocode request.
Open system/tastyigniter/libraries/TI_Form_validation.php
replace line 93
$url = 'https://maps.googleapis.com/maps/api/geocode/json?address=' . urlencode(implode(", ", $post_data)) .'&sensor=false';
with
$map_key = '';
if ($this->CI->config->item('maps_api_key')) {
$map_key = '&key=' . $this->CI->config->item('maps_api_key');
}
$url = 'https://maps.googleapis.com/maps/api/geocode/json?address=' . urlencode(implode(", ", $post_data)) .$map_key.'&sensor=false';