object(WP_Error)#4477 (3) {
["errors"]=>
array(1) {
["http_request_failed"]=>
array(1) {
[0]=>
string(29) "A valid URL was not provided."
}
}
["error_data"]=>
array(0) {
}
["additional_data":protected]=>
array(0) {
}
}
Error loading calendar.