PHP error

Non-static method General_functions::create_submenu() should not be called statically, assuming $this from incompatible context

/home/dascomla/public_html/es/protected/views/solutions/article.php(7)

01 <div class="topic">
02     <?php echo CHtml::image(Yii::app()->request->baseUrl.'/images/product_06.gif'); ?>
03     <?php echo CHtml::link(Yii::t('menu', 'Home'), array('/')) ?>
04     <?php echo CHtml::image(Yii::app()->request->baseUrl.'/images/arrow.gif'); ?>
05     <?php echo CHtml::link(Yii::t('menu', 'Soluciones'), array('site/solutions')) ?>
06 </div>
07 <?php echo General_functions::create_submenu(); ?>
08 <div style="min-height: 600px; line-height: 25px; text-align: justify; border: solid 1px #ccc; padding: 0;" class="col-lg-9 col-md-9 col-sm-12 col-xs-12 borde">
09       <?php echo CHtml::image(Yii::app()->baseUrl . '/images/text/es/solutionsad.jpg', 'alt', array('class' => 'img-responsive','style'=>' margin: 0 auto; border-radius: 5px;')); ?>
10     <div style="margin: 5px; margin-left: 15px; text-align: justify;" >
11     <h3 class="prod-title"><?php echo $article->name ?></h3>
12     <hr>   
13  <?php echo $article->article;?>    
14     </div>
15 </div>

Stack Trace

#4
+
 /home/dascomla/public_html/es/protected/controllers/SolutionsController.php(59): CController->render("article", array("article" => Articles))
54 
55     public function actionArticles($id) {
56         $article = Articles::model()->findByPk($id);
57         $this->render('article', array(
58             'article' => $article,
59         ));
60     }
61 
62 }
#19
+
 /home/dascomla/public_html/es/index.php(13): CApplication->run()
08 defined('YII_DEBUG') or define('YII_DEBUG',true);
09 // specify how many levels of call stack should be shown in each log message
10 defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL',3);
11 
12 require_once($yii);
13 Yii::createWebApplication($config)->run();
2024-03-28 15:39:32 Apache Yii Framework/1.1.14