diff --git a/main/forum/reply.php b/main/forum/reply.php
index ac6b76a364..e3a91f3e5d 100755
--- a/main/forum/reply.php
+++ b/main/forum/reply.php
@@ -158,7 +158,6 @@ $logInfo = [
     'tool_id' => $forumId,
     'tool_id_detail' => $threadId,
     'action' => !empty($my_action) ? $my_action : 'reply',
-    'action_details' => '',
 ];
 Event::registerLog($logInfo);
 
diff --git a/main/inc/lib/extra_field_value.lib.php b/main/inc/lib/extra_field_value.lib.php
index 0338cbde57..4c8614cd0d 100755
--- a/main/inc/lib/extra_field_value.lib.php
+++ b/main/inc/lib/extra_field_value.lib.php
@@ -5,7 +5,6 @@ use Chamilo\CoreBundle\Entity\ExtraField as EntityExtraField;
 use Chamilo\CoreBundle\Entity\ExtraFieldRelTag;
 use Chamilo\CoreBundle\Entity\ExtraFieldValues;
 use Chamilo\CoreBundle\Entity\Tag;
-use ChamiloSession as Session;
 
 /**
  * Class ExtraFieldValue
@@ -81,12 +80,19 @@ class ExtraFieldValue extends Model
      * @param array $params              array for the insertion into the *_field_values table
      * @param bool  $onlySubmittedFields Only save parameters in the $param array
      * @param bool  $showQuery
+     * @param array $saveOnlyThisFields
+     * @param array $avoidFields         do not insert/modify this field
      *
      * @return mixed false on empty params, void otherwise
      * @assert (array()) === false
      */
-    public function saveFieldValues($params, $onlySubmittedFields = false, $showQuery = false)
-    {
+    public function saveFieldValues(
+        $params,
+        $onlySubmittedFields = false,
+        $showQuery = false,
+        $saveOnlyThisFields = [],
+        $avoidFields = []
+    ) {
         foreach ($params as $key => $value) {
             $found = strpos($key, '__persist__');
 
@@ -128,6 +134,18 @@ class ExtraFieldValue extends Model
                 continue;
             }
 
+            if (!empty($avoidFields)) {
+                if (in_array($field_variable, $avoidFields)) {
+                    continue;
+                }
+            }
+
+            if (!empty($saveOnlyThisFields)) {
+                if (!in_array($field_variable, $saveOnlyThisFields)) {
+                    continue;
+                }
+            }
+
             $value = '';
             if (isset($params['extra_'.$field_variable])) {
                 $value = $params['extra_'.$field_variable];