WordPress Fatal error: require(): Failed opening required - php

Question

( ! ) Fatal error: require(): Failed opening required '' /mvc_controller.php on line 265
I get this above error despite trying so many suggestions in the forums, stackexchange etc.
I am developing a plugin in WordPress 4.0.1 using WP MVC, and it also encapsulates ORM concept that is in-built with WP MVC. I couldnt find a solution for this.
Below is the code:
(Public Controller)
/app/controllers/geozone_rules_controller.php
<?php
class GeozoneRulesController extends MvcPublicController {
var $after = array('set_geozonerules');
public function set_geozonerules() {
$this->load_model('GeozoneRule');
$geozonerules = $this->GeozoneRule->find();
$this->set('geozonerules', $geozonerules);
}
// Overwrite the default index() method to include the 'is_public' => true condition
public function index() {
$objects = $this->GeozoneRule->find(array(
'joins' => array('Geozone', 'Country', 'Zone'),
'includes' => array('Geozone', 'Country', 'Zone'),
'selects' => array('Geozone.id, Geozone.geozone_name',
array('Country.id, Country.country_name',
array('Zone.id', 'Zone.zone_name',
array('GeozoneRule.id', 'GeozoneRule.ordering')
)
)))
);
$this->set('objects', $objects);
// pagination
$this->params['page'] = empty($this->params['page']) ? 1 : $this->params['page'];
$this->params['conditions'] = array('is_public' => true);
$collection = $this->model->paginate($this->params);
$this->set('objects', $collection['objects']);
$this->set_pagination($collection);
echo 'Add New Geozone Rule';
}
// GeozoneRule selects only GeozoneRule names and ids by default; to select all fields from GeozoneRule,
// we'll overwrite the default show() method
public function show() {
$object = $this->model->find_by_id($this->params['id'], array(
'includes' => array(
'Geozone',
'Country',
'Zone',
'GeozoneRule' => array(
'selects' => 'GeozoneRule.*'
)
)
));
if (!empty($object)) {
$this->set('object', $object);
$this->render_view('show', array('layout' => 'public'));
}
}
}
?>
Model:
<?php
class GeozoneRule extends MvcModel {
var $table = '{prefix}w2store_geozonerules';
var $primary_key = 'id';
var $display_field = 'id';
var $default_order = 'sort_name';
var $includes = array('Geozone', 'Country', 'Zone');
var $has_and_belongs_to_many = array(
'GeozoneRule' => array(
'join_table' => array('{prefix}w2store_geozones',
'fields' => array('id', 'geozone_name')),
array('{prefix}w2store_countries',
'fields' => array('id', 'country_name')),
array('{prefix}w2store_zones',
'fields' => array('id', 'zone_name')),
'fields' => array('id', 'ordering')
)
);
public function after_find($object) {
if (isset($object->geozonerules)) {
$geozonerule_names = array();
foreach($object->geozonerules as $geozonerule) {
$geozonerule_names[] = $geozonerule->name;
}
}
// print_r ($object);
// exit;
}
public function after_save($object) {
$this->update_sort_name($object);
}
public function update_sort_name($object) {
$sort_name = $object->geozonerule_name;
$this->update($object->__id, array('sort_name' => $sort_name));
}
}
?>
and now the error i got:
Warning: require(): Filename cannot be empty in /mvc_controller.php
on line 265 Call Stack
Time Memory Function Location . . 11 0.0659 3870616
Any possible solutions will be of much help. Thanks a lot.

Answer 1

Issue solved. Simple error made a lot of fuss.
In views/admin/ folder, there is a folder for the model GeozoneRule in the name 'geozonerules' and it was renamed to 'geozone_rules'. Now it is ok.
Naming of folders and files needs careful attention.
Thanks folks.