Twitteroauth

Warning (2): Undefined variable $main_list [ROOT/templates/Tech/sns/twitter/twitteroauth.php, line 111]
Code Context

<?php foreach ( $main_list as $i => $value ) : ?>
  <h2><?php echo $i; ?></h2>
include - ROOT/templates/Tech/sns/twitter/twitteroauth.php, line 111
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 1181
Cake\View\View::_render() - CORE/src/View/View.php, line 1138
Cake\View\View::render() - CORE/src/View/View.php, line 769
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 762
App\Controller\TechController::display() - APP/Controller/TechController.php, line 85
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 539
Cake\Controller\ControllerFactory::handle() - CORE/src/Controller/ControllerFactory.php, line 140
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 115
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 317
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Authentication\Middleware\AuthenticationMiddleware::process() - ROOT/vendor/cakephp/authentication/src/Middleware/AuthenticationMiddleware.php, line 124
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Warning (2): foreach() argument must be of type array|object, null given [ROOT/templates/Tech/sns/twitter/twitteroauth.php, line 111]
Code Context

<?php foreach ( $main_list as $i => $value ) : ?>
  <h2><?php echo $i; ?></h2>
include - ROOT/templates/Tech/sns/twitter/twitteroauth.php, line 111
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 1181
Cake\View\View::_render() - CORE/src/View/View.php, line 1138
Cake\View\View::render() - CORE/src/View/View.php, line 769
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 762
App\Controller\TechController::display() - APP/Controller/TechController.php, line 85
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 539
Cake\Controller\ControllerFactory::handle() - CORE/src/Controller/ControllerFactory.php, line 140
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 115
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 317
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Authentication\Middleware\AuthenticationMiddleware::process() - ROOT/vendor/cakephp/authentication/src/Middleware/AuthenticationMiddleware.php, line 124
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73