diff --git a/workflow/engine/classes/class.derivation.php b/workflow/engine/classes/class.derivation.php
index 9c3328886..4950006a9 100755
--- a/workflow/engine/classes/class.derivation.php
+++ b/workflow/engine/classes/class.derivation.php
@@ -240,7 +240,13 @@ class Derivation
 
             //1. There is no rule
             if (count($arrayNextTask) == 0) {
-                throw new Exception(G::LoadTranslation("ID_NO_DERIVATION_RULE"));
+              $oProcess = new Process();
+              $oProcessFieds = $oProcess->Load( $_SESSION['PROCESS'] );
+              if(isset($oProcessFieds['PRO_BPMN']) && $oProcessFieds['PRO_BPMN'] == 1){
+                throw new Exception(G::LoadTranslation("ID_NO_DERIVATION_BPMN_RULE"));
+              }else{
+                throw new Exception(G::LoadTranslation("ID_NO_DERIVATION_RULE")); 
+              }              
             }
 
             //Return
diff --git a/workflow/engine/classes/model/Process.php b/workflow/engine/classes/model/Process.php
index 32d67cc4d..0cf034466 100755
--- a/workflow/engine/classes/model/Process.php
+++ b/workflow/engine/classes/model/Process.php
@@ -326,6 +326,8 @@ class Process extends BaseProcess
                 }
 
                 $aFields['PRO_DYNAFORMS'] = @unserialize( $aFields['PRO_DYNAFORMS'] );
+                //Check if is BPMN process
+                $aFields['PRO_BPMN'] = $this->isBpmnProcess($ProUid);
 
                 return $aFields;
             } else {
@@ -1009,5 +1011,21 @@ class Process extends BaseProcess
 			return 0;
 		}
     }
+    /**
+     * Check is the Process is BPMN.
+     *
+     * @param string $ProUid the uid of the Prolication
+     * @return int 1 if is BPMN process or 0 if a Normal process
+    */
+    public function isBpmnProcess($proUid){
+      $c = new Criteria("workflow");
+      $c->add(BpmnProcessPeer::PRJ_UID, $proUid);
+      $res = BpmnProcessPeer::doSelect($c);        
+      if( sizeof($res) == 0 ){
+        return 0;
+      }else{
+        return 1;
+      }
+    }
 }
 
diff --git a/workflow/engine/methods/cases/cases_Step.php b/workflow/engine/methods/cases/cases_Step.php
index 872daac9e..68b364007 100755
--- a/workflow/engine/methods/cases/cases_Step.php
+++ b/workflow/engine/methods/cases/cases_Step.php
@@ -1026,7 +1026,13 @@ try {
     }
     //Add content content step - End
 } catch (Exception $e) {
-    G::SendTemporalMessage( G::LoadTranslation( 'ID_PROCESS_DEF_PROBLEM' ), 'error', 'string', 3, 100 );
+    //Check if the process is BPMN       
+    if(isset($oProcessFieds['PRO_BPMN']) && $oProcessFieds['PRO_BPMN'] == 1){
+      G::SendTemporalMessage( G::LoadTranslation( 'ID_BPMN_PROCESS_DEF_PROBLEM' ), 'error', 'string', 3, 100 );      
+    }else{
+      G::SendTemporalMessage( G::LoadTranslation( 'ID_PROCESS_DEF_PROBLEM' ), 'error', 'string', 3, 100 );
+    }    
+    
     $aMessage = array ();
     $aMessage['MESSAGE'] = $e->getMessage();
     $G_PUBLISH = new Publisher();