Fix potential issue in 1.10->1.11 migration with tpl object not being created correctly - refs BT#12085

Author: ywarnier

app/Migrations/Schema/V111/Version20160804174600.php

@@ -656,9 +656,10 @@ public function up(Schema $schema)
             $tpl = $em
                 ->getRepository('ChamiloCoreBundle:SystemTemplate')
                 ->findOneBy(['title' => $title]);
-            $tpl->setContent($content);
-
-            $em->merge($tpl);
+            if (!empty($tpl)) {
+                $tpl->setContent($content);
+                $em->merge($tpl);
+            }
         }
 
         $em->flush();
@@ -1213,11 +1214,12 @@ public function down(Schema $schema)
             $tpl = $em
                 ->getRepository('ChamiloCoreBundle:SystemTemplate')
                 ->findOneBy(['title' => $title]);
-            $tpl->setContent($content);
-
-            $em->merge($tpl);
+            if (!empty($tpl)) {
+                $tpl->setContent($content);
+                $em->merge($tpl);
+            }
         }
 
         $em->flush();
     }
-}
+}