Correctifs

backend/controllers/BackendController.php

 {
     public function beforeAction($event)
     {
+        $producerCurrent = $this->getProducerCurrent();
+
         // Contexte producteur
-        $this->getLogic()->setProducerContext($this->getProducerCurrent());
+        if($producerCurrent) {
+            $this->getLogic()->setProducerContext($producerCurrent);
+        }
+
+        // Pas de producteur défini
+        if(!$producerCurrent) {
+            $this->redirect(\Yii::$app->urlManagerFrontend->createAbsoluteUrl(['site/index']));
+            return false;
+        }
 
         return parent::beforeAction($event);
     }
         }
     }
 
-    public function getProducerCurrent(): Producer
+    public function getProducerCurrent(): ?Producer
     {
         return Producer::searchOne();
     }

backend/views/layouts/content.php

     <section class="content">
 
         <?php $producer = GlobalParam::getCurrentProducer(); ?>
-        <?php if(!$producerManager->isUpToDateWithOpendistribVersion($producer) && $producer->option_display_message_new_opendistrib_version): ?>
+        <?php if($producer && !$producerManager->isUpToDateWithOpendistribVersion($producer) && $producer->option_display_message_new_opendistrib_version): ?>
             <div class="alert alert-warning">
                 <p>Opendistrib a été mis à jour vers la version <?= GlobalParam::getOpendistribVersion() ?> ! <a class="alert-link" href="<?= Yii::$app->urlManager->createUrl(['development/index']) ?>">Découvrir les nouveautés</a></p>
                 <a href="<?= Yii::$app->urlManager->createUrl(['producer/update-opendistrib-version']) ?>" class="close"><span aria-hidden="true">&times;</span></a>

backend/views/layouts/left.php

         <?php
             $producer = GlobalParam::getCurrentProducer();
             $newVersionOpendistribTemplate = '';
-            if(!$producerManager->isUpToDateWithOpendistribVersion($producer)) {
+            if($producer && !$producerManager->isUpToDateWithOpendistribVersion($producer)) {
                 $newVersionOpendistribTemplate = '<span class="pull-right-container"><small class="label pull-right bg-orange">&nbsp;</small></span>';
             }
         ?>

producer/controllers/OrderController.php

 
         $errorPointSale = false;
         if (isset($distribution) && $distribution) {
+            $order->populateDistribution($distribution);
             $pointSale = $pointSaleManager->findOnePointSaleById($posts['Order']['id_point_sale']);
             $pointSaleDistribution = $pointSaleDistributionManager->findOnePointSaleDistribution($distribution, $pointSale);