diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/ProcessSupervisor.php b/workflow/engine/src/ProcessMaker/BusinessModel/ProcessSupervisor.php
index 052b1357d..8ed7dd426 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/ProcessSupervisor.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/ProcessSupervisor.php
@@ -40,6 +40,7 @@ class ProcessSupervisor
                                  'grp_name' => $aRow['GRP_TITLE']);
                 $oDataset->next();
             }
+
             // Users
             $oCriteria = new \Criteria('workflow');
             $oCriteria->addSelectColumn(\ProcessUserPeer::USR_UID);
@@ -201,7 +202,7 @@ class ProcessSupervisor
                         $permission = $userRole->loadUserRolePermission('PROCESSMAKER', $value["USR_UID"]);
                         foreach ($permission as $values) {
                             if ($values["PER_CODE"] == 'PM_SUPERVISOR') {
-                                $aRespLi[] = array('grp_uid' => $aRow['GRP_UID'],
+                                $aRespLiGroups[] = array('grp_uid' => $aRow['GRP_UID'],
                                                    'grp_name' => $aRow['GRP_TITLE'],
                                                    'obj_type' => "group");
                             }
@@ -210,6 +211,13 @@ class ProcessSupervisor
                     $oDataset->next();
                 }
             }
+            $exclude = array("");
+            for ($i = 0; $i<=count($aRespLiGroups)-1; $i++) {
+                if (!in_array(trim($aRespLiGroups[$i]["grp_uid"]) ,$exclude)) {
+                    $aRespLi[] = $aRespLiGroups[$i];
+                    $exclude[] = trim($aRespLiGroups[$i]["grp_uid"]);
+                }
+            }
             $sDelimiter = \DBAdapter::getStringDelimiter();
             $oCriteria = new \Criteria('workflow');
             $oCriteria->addSelectColumn(\UsersPeer::USR_UID);
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Variable.php b/workflow/engine/src/ProcessMaker/BusinessModel/Variable.php
index 45db27736..9338fd43f 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Variable.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Variable.php
@@ -372,9 +372,6 @@ class Variable
                     throw new \Exception(\G::LoadTranslation("ID_INVALID_VALUE_ONLY_ACCEPTS_VALUES", array('$var_null','0, 1' )));
                 }
             }
-            if (isset($aData["VAR_DEFAULT"])) {
-                Validator::isString($aData['VAR_DEFAULT'], '$var_default');
-            }
             if (isset($aData["VAR_ACCEPTED_VALUES"])) {
                 Validator::isString($aData['VAR_ACCEPTED_VALUES'], '$var_accepted_values');
             }