diff --git a/Entity/CountryContext.php b/Entity/CountryContext.php
index <HASH>..<HASH> 100644
--- a/Entity/CountryContext.php
+++ b/Entity/CountryContext.php
@@ -45,7 +45,7 @@ class CountryContext
 
     /**
      * @var string
-     * @ORM\Column(type="simple_array")
+     * @ORM\Column(type="simple_array", nullable=true)
      */
     private $countries = array();
fix nullable state of country context