diff --git a/workflow/engine/methods/users/users_Ajax.php b/workflow/engine/methods/users/users_Ajax.php
old mode 100755
new mode 100644
index e8802a8e2..0ae4c9336
--- a/workflow/engine/methods/users/users_Ajax.php
+++ b/workflow/engine/methods/users/users_Ajax.php
@@ -435,9 +435,14 @@ try {
 
             $oRoles = new Roles();
             $rows = Array();
+            $uRole = Array();
             while ($oDataset->next()) {
                 $row = $oDataset->getRow();
-                $uRole = $oRoles->loadByCode($row['USR_ROLE']);
+                try {
+                    $uRole = $oRoles->loadByCode($row['USR_ROLE']);
+                } catch (exception $oError) {
+                    $uRole['ROL_NAME'] = G::loadTranslation( 'ID_DELETED' );
+                }
                 $row['USR_ROLE'] = isset($uRole['ROL_NAME']) ? ($uRole['ROL_NAME'] != '' ? $uRole['ROL_NAME'] : $uRole['USR_ROLE']) : $uRole['USR_ROLE'];
                 $row['DUE_DATE_OK'] = (date('Y-m-d') > date('Y-m-d', strtotime($row['USR_DUE_DATE']))) ? 0 : 1;
                 $row['LAST_LOGIN'] = isset($aLogin[$row['USR_UID']]) ? $aLogin[$row['USR_UID']] : '';
diff --git a/workflow/engine/templates/pmTables/data.js b/workflow/engine/templates/pmTables/data.js
index c3d179d78..5e7bd4763 100755
--- a/workflow/engine/templates/pmTables/data.js
+++ b/workflow/engine/templates/pmTables/data.js
@@ -196,9 +196,39 @@ Ext.onReady(function(){
   });
 
   //row editor for table columns grid
+  var flagShowMessageError = 1;
+
   if (!isReport) {
-    editor = new Ext.ux.grid.RowEditor({
+      editor = new Ext.ux.grid.RowEditor({
       saveText  : _("ID_UPDATE"),
+      isValid: function ()
+      {
+           var valid = true;
+           this.items.each(function(f) {
+               if(!f.isValid(true)){
+                   valid = false;
+
+                   if (valid) {
+                       flagShowMessageError = 1;
+                   }
+
+                   return false;
+               }
+           });
+
+           if (valid) {
+               flagShowMessageError = 1;
+           }
+
+           return valid;
+      },
+      showTooltip: function (msg)
+      {
+           if (flagShowMessageError == 1) {
+               Ext.msgBoxSlider.msgTopCenter("error", _("ID_ERROR"), msg, 3);
+               flagShowMessageError = 0;
+           }
+      },
       listeners : {
         afteredit : {
           fn:function(rowEditor, obj, data, rowIndex ){
@@ -206,6 +236,10 @@ Ext.onReady(function(){
             //store.reload(); // only if it is an insert
             }
           }
+        },
+        canceledit: function (grid, obj)
+        {
+            flagShowMessageError = 1;
         }
       }
     });
diff --git a/workflow/engine/templates/pmTables/edit.js b/workflow/engine/templates/pmTables/edit.js
old mode 100755
new mode 100644
index 86f8a7168..37289cfbc
--- a/workflow/engine/templates/pmTables/edit.js
+++ b/workflow/engine/templates/pmTables/edit.js
@@ -242,6 +242,8 @@ Ext.onReady(function(){
                           var sizeEdit = Ext.getCmp("sizeEdit");
 
                           editorFieldsEnableDisable(selCombo, fieldNull, fieldPrimaryKey, fieldInc, sizeEdit);
+
+                          flagShowMessageError = 1;
                       }
                   }//select
               }
@@ -339,13 +341,45 @@ Ext.onReady(function(){
       ]
   });
   //row editor for table columns grid
+  var flagShowMessageError = 1;
+
   editor = new Ext.ux.grid.RowEditor({
     saveText: _("ID_UPDATE"),
+    isValid: function ()
+    {
+        var valid = true;
+        this.items.each(function(f) {
+            if(!f.isValid(true)){
+                valid = false;
+
+                if (valid) {
+                    flagShowMessageError = 1;
+                }
+
+                return false;
+            }
+        });
+
+        if (valid) {
+            flagShowMessageError = 1;
+        }
+
+        return valid;
+    },
+    showTooltip: function (msg)
+    {
+        if (flagShowMessageError == 1) {
+            Ext.msgBoxSlider.msgTopCenter("error", _("ID_ERROR"), msg, 3);
+            flagShowMessageError = 0;
+        }
+    },
     listeners: {
       canceledit: function(grid,obj){
         if ( grid.record.data.field_label == '' && grid.record.data.field_name == '') {
           store.remove(grid.record);
         }
+
+        flagShowMessageError = 1;
       }
     }
   });
@@ -716,7 +750,7 @@ Ext.onReady(function(){
   if (dataNumRows > 0) {
     var tpl = new Ext.Template(
         '<div id="fb" style="border: 1px solid #FF0000; background-color:#FFAAAA; display:none; padding:15px; color:#000000; font-size:12px;">'+
-        '<b>Warning: </b> ' + dataNumRows + ' ' + _('ID_PMTABLE_DATA_EXISTS_WARNINIG') + ' <a href="#" id="hideWarning">[ '+_('ID_HIDE')+' ]</a></div>'
+        '<b>Warning: </b> ' + dataNumRows + ' ' + _('ID_PMTABLE_DATA_EXISTS_WARNINIG') + ' <a href="#" id="hideWarning" onclick="return false;">[ '+_('ID_HIDE')+' ]</a></div>'
     );
     var newEl = tpl.insertFirst(document.getElementById('assignedGrid'));