Add display_errors + fix function that converts date time

main/cron/import_csv.php

@@ -25,6 +25,7 @@ require_once __DIR__.'/../inc/global.inc.php';
 ini_set('memory_limit', -1);
 ini_set('max_execution_time', 0);
 ini_set('log_errors', '1');
+ini_set('display_errors', '1');
 
 /**
  * Class ImportCsv
@@ -2282,7 +2283,6 @@ class ImportCsv
                     ->setUser($userInfo)
                 ;
                 $em->persist($post);
-                $em->flush();
 
                 $this->logger->addInfo("Post id saved #".$post->getId());
 
@@ -2310,8 +2310,11 @@ class ImportCsv
         }
 
         $date = DateTime::createFromFormat('j/m/Y', $string);
+        if ($date) {
+            return $date;
+        }
 
-        return $date;
+        return null;
     }
 
     /**