diff --git a/gulliver/system/class.publisher.php b/gulliver/system/class.publisher.php
index c8397945f..f8b0c3aa0 100755
--- a/gulliver/system/class.publisher.php
+++ b/gulliver/system/class.publisher.php
@@ -436,6 +436,9 @@ class Publisher
                 }
                 $G_FORM->xmlform->fileXml = $G_FORM->fileName;
                 $G_FORM->xmlform->home = $G_FORM->home;
+                if (!isset($G_FORM->xmlform->tree)) {
+                    $G_FORM->xmlform->tree = new stdclass();
+                }
                 $G_FORM->xmlform->tree->attribute = $G_FORM->tree->attributes;
                 if (is_array( $Part['Data'] )) {
                     $G_FORM->values = array_merge( $G_FORM->values, $Part['Data'] );
diff --git a/workflow/engine/classes/class.processMap.php b/workflow/engine/classes/class.processMap.php
index 24dbb939c..11307a8ea 100755
--- a/workflow/engine/classes/class.processMap.php
+++ b/workflow/engine/classes/class.processMap.php
@@ -89,7 +89,9 @@ class processMap
             $oProcess = new Process();
 
             $aRow = $oProcess->load( $sProcessUID );
+            $oPM->title = new stdclass();
             $oPM->title->label = strip_tags( $aRow['PRO_TITLE'] );
+            $oPM->title->position = new stdclass();
             $oPM->title->position->x = $aRow['PRO_TITLE_X'];
             $oPM->title->position->y = $aRow['PRO_TITLE_Y'];
             $oPM->task = array ();
@@ -368,8 +370,10 @@ class processMap
             }
             $oPM->executant[] = G::LoadTranslation( 'ID_RULES_AND_USER_GROUPS' );
             $oPM->executant[] = G::LoadTranslation( 'ID_ADD_USER_OF_TASK' );
+            $oPM->tasExtra[0] = new stdclass();
             $oPM->tasExtra[0]->label = '-- ' . G::LoadTranslation( 'ID_END_OF_PROCESS' ) . ' --';
             $oPM->tasExtra[0]->uid = 'end';
+            $oPM->tasExtra[1] = new stdclass();
             $oPM->tasExtra[1]->label = '-- ' . G::LoadTranslation( 'ID_TAREA_COLGANTE' ) . ' --';
             $oPM->tasExtra[1]->uid = 'leaf';
             $oPM->guide = array ();