[BUGFIX] Every property must have type

src/SGalinski/TypoScriptBackendBundle/Entity/Property.php

@@ -75,7 +75,7 @@ class Property {
 	 * @var Type
 	 *
 	 * @ORM\ManyToOne(targetEntity="Type")
-	 * @ORM\JoinColumn(name="type_id", referencedColumnName="id", onDelete="CASCADE")
+	 * @ORM\JoinColumn(name="type_id", referencedColumnName="id", onDelete="CASCADE", nullable=false)
 	 */
 	private $type;