diff --git a/workflow/engine/classes/class.derivation.php b/workflow/engine/classes/class.derivation.php
index 9c3328886..de0c40c80 100755
--- a/workflow/engine/classes/class.derivation.php
+++ b/workflow/engine/classes/class.derivation.php
@@ -142,7 +142,6 @@ class Derivation
 
             $arrayNextTask = array();
             $arrayNextTaskDefault = array();
-            $i = 0;
 
             //SELECT *
             //FROM APP_DELEGATION AS A
@@ -211,18 +210,17 @@ class Derivation
                 }
 
                 if ($flagContinue) {
-                    $arrayNextTask[++$i] = $this->prepareInformationTask($arrayRouteData);
+                    $arrayNextTask[] = $this->prepareInformationTask($arrayRouteData);
                 }
             }
 
             if (count($arrayNextTask) == 0 && count($arrayNextTaskDefault) > 0) {
-                $arrayNextTask[++$i] = $this->prepareInformationTask($arrayNextTaskDefault);
+                $arrayNextTask[] = $this->prepareInformationTask($arrayNextTaskDefault);
             }
 
             //Check Task GATEWAYTOGATEWAY
             $arrayNextTaskBk = $arrayNextTask;
             $arrayNextTask = array();
-            $i = 0;
 
             foreach ($arrayNextTaskBk as $value) {
                 $arrayNextTaskData = $value;
@@ -231,10 +229,10 @@ class Derivation
                     $arrayAux = $this->prepareInformation($arrayData, $arrayNextTaskData["NEXT_TASK"]["TAS_UID"]);
 
                     foreach ($arrayAux as $value2) {
-                        $arrayNextTask[++$i] = $value2;
+                        $arrayNextTask[] = $value2;
                     }
                 } else {
-                    $arrayNextTask[++$i] = $arrayNextTaskData;
+                    $arrayNextTask[] = $arrayNextTaskData;
                 }
             }
 
diff --git a/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php b/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php
index 10a3e1bf3..78843fad8 100644
--- a/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php
+++ b/workflow/engine/classes/model/map/ListParticipatedLastMapBuilder.php
@@ -81,7 +81,7 @@ class ListParticipatedLastMapBuilder
 
         $tMap->addColumn('APP_TAS_TITLE', 'AppTasTitle', 'string', CreoleTypes::VARCHAR, true, 255);
 
-        $tMap->addColumn('APP_STATUS', 'AppStatus', 'string', CreoleTypes::VARCHAR, true, 20);
+        $tMap->addColumn('APP_STATUS', 'AppStatus', 'string', CreoleTypes::VARCHAR, false, 20);
 
         $tMap->addColumn('DEL_INDEX', 'DelIndex', 'int', CreoleTypes::INTEGER, true, null);
 
diff --git a/workflow/engine/classes/model/om/BaseBpmnFlow.php b/workflow/engine/classes/model/om/BaseBpmnFlow.php
index 15f28a2ad..4badba254 100755
--- a/workflow/engine/classes/model/om/BaseBpmnFlow.php
+++ b/workflow/engine/classes/model/om/BaseBpmnFlow.php
@@ -141,7 +141,7 @@ abstract class BaseBpmnFlow extends BaseObject implements Persistent
      */
     protected $flo_position = 0;
 
-     /**
+    /**
      * @var        BpmnProject
      */
     protected $aBpmnProject;
@@ -365,7 +365,7 @@ abstract class BaseBpmnFlow extends BaseObject implements Persistent
 
     /**
      * Get the [flo_position] column value.
-     *
+     * 
      * @return     int
      */
     public function getFloPosition()
@@ -374,7 +374,7 @@ abstract class BaseBpmnFlow extends BaseObject implements Persistent
         return $this->flo_position;
     }
 
-    /*
+    /**
      * Set the value of [flo_uid] column.
      * 
      * @param      string $v new value
@@ -780,7 +780,7 @@ abstract class BaseBpmnFlow extends BaseObject implements Persistent
 
     /**
      * Set the value of [flo_position] column.
-     *
+     * 
      * @param      int $v new value
      * @return     void
      */
@@ -794,9 +794,9 @@ abstract class BaseBpmnFlow extends BaseObject implements Persistent
         }
 
         if ($this->flo_position !== $v || $v === 0) {
-                $this->flo_position = $v;
-                $this->modifiedColumns[] = BpmnFlowPeer::FLO_POSITION;
-            }
+            $this->flo_position = $v;
+            $this->modifiedColumns[] = BpmnFlowPeer::FLO_POSITION;
+        }
 
     } // setFloPosition()
 
diff --git a/workflow/engine/config/schema.xml b/workflow/engine/config/schema.xml
index 411c38c86..6badf1c45 100755
--- a/workflow/engine/config/schema.xml
+++ b/workflow/engine/config/schema.xml
@@ -4015,7 +4015,7 @@
         <column name="APP_TITLE" type="VARCHAR" size="255" required="true" default=""/>
         <column name="APP_PRO_TITLE" type="VARCHAR" size="255" required="true" default=""/>
         <column name="APP_TAS_TITLE" type="VARCHAR" size="255" required="true" default=""/>
-        <column name="APP_STATUS" type="VARCHAR" size="20" required="true" default="0"/>
+        <column name="APP_STATUS" type="VARCHAR" size="20" required="false" default="0"/>
         <column name="DEL_INDEX" type="INTEGER" required="true" default="0"/>
         <column name="DEL_PREVIOUS_USR_UID" type="VARCHAR" size="32" default=""/>
         <column name="DEL_PREVIOUS_USR_USERNAME" type="VARCHAR" size="100" default=""/>
diff --git a/workflow/engine/data/mysql/schema.sql b/workflow/engine/data/mysql/schema.sql
index e034b44a1..79ea43eb2 100755
--- a/workflow/engine/data/mysql/schema.sql
+++ b/workflow/engine/data/mysql/schema.sql
@@ -2263,7 +2263,7 @@ CREATE TABLE `LIST_PARTICIPATED_LAST`
 	`APP_TITLE` VARCHAR(255) default '' NOT NULL,
 	`APP_PRO_TITLE` VARCHAR(255) default '' NOT NULL,
 	`APP_TAS_TITLE` VARCHAR(255) default '' NOT NULL,
-	`APP_STATUS` VARCHAR(20) default '0' NOT NULL,
+	`APP_STATUS` VARCHAR(20) default '0',
 	`DEL_INDEX` INTEGER default 0 NOT NULL,
 	`DEL_PREVIOUS_USR_UID` VARCHAR(32) default '',
 	`DEL_PREVIOUS_USR_USERNAME` VARCHAR(100) default '',