diff --git a/main/admin/questions.php b/main/admin/questions.php
index f53dd6a87a..b25964cb45 100644
--- a/main/admin/questions.php
+++ b/main/admin/questions.php
@@ -96,7 +96,7 @@ if ($formSent) {
             $question->courseCode = $courseCode;
             // Creating empty exercise
             $exercise = new Exercise($courseId);
-            $questionObject = Question::read($question->getId(), $courseId);
+            $questionObject = Question::read($question->getId(), $courseInfo);
 
             ob_start();
             ExerciseLib::showQuestion(
diff --git a/main/exercise/annotation_user.php b/main/exercise/annotation_user.php
index 71fdcd5d32..cc6838d763 100644
--- a/main/exercise/annotation_user.php
+++ b/main/exercise/annotation_user.php
@@ -14,7 +14,7 @@ if (empty($courseInfo)) {
     return '';
 }
 
-$objQuestion = Question::read($questionId, $courseId);
+$objQuestion = Question::read($questionId, $courseInfo);
 $documentPath = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document';
 $picturePath = $documentPath.'/images';
 $pictureSize = getimagesize($picturePath.'/'.$objQuestion->getPictureFilename());
diff --git a/main/exercise/exercise.class.php b/main/exercise/exercise.class.php
index cddab48f69..559c690bcc 100755
--- a/main/exercise/exercise.class.php
+++ b/main/exercise/exercise.class.php
@@ -216,7 +216,6 @@ class Exercise
             }
 
             $this->force_edit_exercise_in_lp = api_get_configuration_value('force_edit_exercise_in_lp');
-
             $this->edit_exercise_in_lp = true;
             if ($this->exercise_was_added_in_lp) {
                 $this->edit_exercise_in_lp = $this->force_edit_exercise_in_lp == true;
@@ -3318,7 +3317,7 @@ class Exercise
 
         // Creates a temporary Question object
         $course_id = $this->course_id;
-        $objQuestionTmp = Question::read($questionId, $course_id);
+        $objQuestionTmp = Question::read($questionId, $this->course);
 
         if ($objQuestionTmp === false) {
             return false;
@@ -6453,7 +6452,6 @@ class Exercise
         $new_question_list = [];
         if (!empty($question_list)) {
             $media_questions = $this->getMediaList();
-
             $media_active = $this->mediaIsActivated($media_questions);
 
             if ($media_active) {
@@ -7476,7 +7474,7 @@ class Exercise
         } else {
             // standard test, just add each question score
             foreach ($questionList as $questionId) {
-                $question = Question::read($questionId, $this->course_id);
+                $question = Question::read($questionId, $this->course);
                 $out_max_score += $question->weighting;
             }
         }
@@ -8098,13 +8096,12 @@ class Exercise
      */
     private function getQuestionOrderedList()
     {
-        $questionList = [];
         $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
         $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 
         // Getting question_order to verify that the question
         // list is correct and all question_order's were set
-        $sql = "SELECT DISTINCT e.question_order
+        $sql = "SELECT DISTINCT count(e.question_order) as count
                 FROM $TBL_EXERCICE_QUESTION e
                 INNER JOIN $TBL_QUESTIONS q
                 ON (e.question_id = q.id AND e.c_id = q.c_id)
@@ -8113,7 +8110,8 @@ class Exercise
                   e.exercice_id	= ".$this->id;
 
         $result = Database::query($sql);
-        $count_question_orders = Database::num_rows($result);
+        $row = Database::fetch_array($result);
+        $count_question_orders = $row['count'];
 
         // Getting question list from the order (question list drag n drop interface).
         $sql = "SELECT DISTINCT e.question_id, e.question_order
@@ -8130,6 +8128,7 @@ class Exercise
         // the key of the array is the question position
         $temp_question_list = [];
         $counter = 1;
+        $questionList = [];
         while ($new_object = Database::fetch_object($result)) {
             // Correct order.
             $questionList[$new_object->question_order] = $new_object->question_id;
@@ -8440,6 +8439,8 @@ class Exercise
     private function setMediaList($questionList)
     {
         $mediaList = [];
+        /*
+         * Media feature is not activated in 1.11.x
         if (!empty($questionList)) {
             foreach ($questionList as $questionId) {
                 $objQuestionTmp = Question::read($questionId, $this->course_id);
@@ -8451,7 +8452,8 @@ class Exercise
                     $mediaList[999][] = $objQuestionTmp->id;
                 }
             }
-        }
+        }*/
+
         $this->mediaList = $mediaList;
     }
 
diff --git a/main/exercise/hotspot_answers.as.php b/main/exercise/hotspot_answers.as.php
index c3cfc29b72..11f922c6dc 100755
--- a/main/exercise/hotspot_answers.as.php
+++ b/main/exercise/hotspot_answers.as.php
@@ -50,7 +50,7 @@ if (!api_is_allowed_to_edit(null, true)) {
     }
 }
 
-$objQuestion = Question::read($questionId, $courseId);
+$objQuestion = Question::read($questionId, $objExercise->course);
 $objExercise->read($exerciseId);
 
 if (empty($objQuestion) || empty($objExercise)) {
diff --git a/main/exercise/question.class.php b/main/exercise/question.class.php
index 0ea9c40f08..e633ae7737 100755
--- a/main/exercise/question.class.php
+++ b/main/exercise/question.class.php
@@ -122,22 +122,20 @@ abstract class Question
     /**
      * Reads question information from the data base.
      *
-     * @param int $id        - question ID
-     * @param int $course_id
+     * @param int   $id - question ID
+     * @param array $course_info
+     * @param bool  $getExerciseList
      *
      * @return Question
      *
      * @author Olivier Brouckaert
      */
-    public static function read($id, $course_id = null)
+    public static function read($id, $course_info = [], $getExerciseList = true)
     {
         $id = (int) $id;
-        if (!empty($course_id)) {
-            $course_info = api_get_course_info_by_id($course_id);
-        } else {
+        if (empty($course_info)) {
             $course_info = api_get_course_info();
         }
-
         $course_id = $course_info['real_id'];
 
         if (empty($course_id) || $course_id == -1) {
@@ -171,22 +169,24 @@ abstract class Question
                 $objQuestion->category = TestCategory::getCategoryForQuestion($id, $course_id);
                 $objQuestion->code = isset($object->code) ? $object->code : '';
 
-                $tblQuiz = Database::get_course_table(TABLE_QUIZ_TEST);
-                $sql = "SELECT DISTINCT q.exercice_id
-                        FROM $TBL_EXERCISE_QUESTION q
-                        INNER JOIN $tblQuiz e
-                        ON e.c_id = q.c_id AND e.id = q.exercice_id
-                        WHERE
-                            q.c_id = $course_id AND
-                            q.question_id = $id AND
-                            e.active >= 0";
+                if ($getExerciseList) {
+                    $tblQuiz = Database::get_course_table(TABLE_QUIZ_TEST);
+                    $sql = "SELECT DISTINCT q.exercice_id
+                            FROM $TBL_EXERCISE_QUESTION q
+                            INNER JOIN $tblQuiz e
+                            ON e.c_id = q.c_id AND e.id = q.exercice_id
+                            WHERE
+                                q.c_id = $course_id AND
+                                q.question_id = $id AND
+                                e.active >= 0";
 
-                $result = Database::query($sql);
+                    $result = Database::query($sql);
 
-                // fills the array with the exercises which this question is in
-                if ($result) {
-                    while ($obj = Database::fetch_object($result)) {
-                        $objQuestion->exerciseList[] = $obj->exercice_id;
+                    // fills the array with the exercises which this question is in
+                    if ($result) {
+                        while ($obj = Database::fetch_object($result)) {
+                            $objQuestion->exerciseList[] = $obj->exercice_id;
+                        }
                     }
                 }
 
diff --git a/main/exercise/question_pool.php b/main/exercise/question_pool.php
index 700ef22703..3964922d15 100755
--- a/main/exercise/question_pool.php
+++ b/main/exercise/question_pool.php
@@ -71,7 +71,7 @@ if ($is_allowedToEdit) {
         $current_course = api_get_course_info();
         $old_question_id = $question_copy;
         // Reading the source question
-        $old_question_obj = Question::read($old_question_id, $origin_course_id);
+        $old_question_obj = Question::read($old_question_id, $origin_course_info);
         $courseId = $current_course['real_id'];
         if ($old_question_obj) {
             $old_question_obj->updateTitle($old_question_obj->selectTitle().' - '.get_lang('Copy'));
@@ -141,7 +141,7 @@ if ($is_allowedToEdit) {
             $current_course = api_get_course_info();
             foreach ($question_data as $old_question_id) {
                 //Reading the source question
-                $old_question_obj = Question::read($old_question_id, $origin_course_id);
+                $old_question_obj = Question::read($old_question_id, $origin_course_info);
                 if ($old_question_obj) {
                     $old_question_obj->updateTitle(
                         $old_question_obj->selectTitle().' - '.get_lang('Copy')
@@ -1040,7 +1040,8 @@ function get_action_icon_for_question(
  */
 function get_question_type_for_question($in_selectedcourse, $in_questionid)
 {
-    $myObjQuestion = Question::read($in_questionid, $in_selectedcourse);
+    $courseInfo = api_get_course_info_by_id($in_selectedcourse);
+    $myObjQuestion = Question::read($in_questionid, $courseInfo);
     $questionType = null;
     if (!empty($myObjQuestion)) {
         list($typeImg, $typeExpl) = $myObjQuestion->get_type_icon_html();
diff --git a/main/exercise/recalculate.php b/main/exercise/recalculate.php
index a591d7b07f..acec7ffb68 100644
--- a/main/exercise/recalculate.php
+++ b/main/exercise/recalculate.php
@@ -62,7 +62,7 @@ if ('true' === $pluginEvaluation->get(QuestionOptionsEvaluationPlugin::SETTING_E
 
 if (!$useEvaluationPlugin) {
     foreach ($questionList as $questionId) {
-        $question = Question::read($questionId, $courseId);
+        $question = Question::read($questionId, api_get_course_info());
         $totalWeight += $question->selectWeighting();
 
         // We're inside *one* question. Go through each possible answer for this question
diff --git a/main/exercise/upload_exercise.php b/main/exercise/upload_exercise.php
index 57d8213c98..14ba913367 100755
--- a/main/exercise/upload_exercise.php
+++ b/main/exercise/upload_exercise.php
@@ -436,7 +436,7 @@ function lp_upload_quiz_action_handling()
 
                             $questionObj = Question::read(
                                 $question_id,
-                                $courseId
+                                $_course
                             );
 
                             if ($questionObj) {
@@ -456,7 +456,7 @@ function lp_upload_quiz_action_handling()
                         break;
                     case FREE_ANSWER:
                         $globalScore = isset($scoreList[$i]) ? $scoreList[$i] : null;
-                        $questionObj = Question::read($question_id, $courseId);
+                        $questionObj = Question::read($question_id, $_course);
                         if ($questionObj) {
                             $questionObj->updateWeighting($globalScore);
                             $questionObj->save($exercise);
@@ -489,7 +489,7 @@ function lp_upload_quiz_action_handling()
 
                         $objAnswer->save();
 
-                        $questionObj = Question::read($question_id, $courseId);
+                        $questionObj = Question::read($question_id, $_course);
                         if ($questionObj) {
                             $questionObj->updateWeighting($globalScore);
                             $questionObj->save($exercise);
@@ -520,7 +520,7 @@ function lp_upload_quiz_action_handling()
                             $counter++;
                         }
                         $objAnswer->save();
-                        $questionObj = Question::read($question_id, $courseId);
+                        $questionObj = Question::read($question_id, $_course);
                         if ($questionObj) {
                             $questionObj->updateWeighting($globalScore);
                             $questionObj->save($exercise);
diff --git a/main/inc/ajax/exercise.ajax.php b/main/inc/ajax/exercise.ajax.php
index b9bb0b0f1a..89b11c7180 100755
--- a/main/inc/ajax/exercise.ajax.php
+++ b/main/inc/ajax/exercise.ajax.php
@@ -498,7 +498,7 @@ switch ($action) {
             $total_weight = 0;
             if ($type == 'simple') {
                 foreach ($question_list as $my_question_id) {
-                    $objQuestionTmp = Question::read($my_question_id, $course_id);
+                    $objQuestionTmp = Question::read($my_question_id, $objExercise->course);
                     $total_weight += $objQuestionTmp->selectWeighting();
                 }
             }
@@ -521,7 +521,7 @@ switch ($action) {
                 }
 
                 // Creates a temporary Question object
-                $objQuestionTmp = Question::read($my_question_id, $course_id);
+                $objQuestionTmp = Question::read($my_question_id, $objExercise->course);
 
                 $myChoiceDegreeCertainty = null;
                 if ($objQuestionTmp->type === MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
diff --git a/main/inc/lib/exercise.lib.php b/main/inc/lib/exercise.lib.php
index 420fec47b9..e68943221a 100644
--- a/main/inc/lib/exercise.lib.php
+++ b/main/inc/lib/exercise.lib.php
@@ -56,7 +56,7 @@ class ExerciseLib
         // Change false to true in the following line to enable answer hinting
         $debug_mark_answer = $show_answers;
         // Reads question information
-        if (!$objQuestionTmp = Question::read($questionId, $course_id)) {
+        if (!$objQuestionTmp = Question::read($questionId, $course)) {
             // Question not found
             return false;
         }
@@ -2545,7 +2545,7 @@ HOTSPOT;
                                     $question_list = explode(',', $exercise_stat_info['data_tracking']);
                                     if (!empty($question_list)) {
                                         foreach ($question_list as $questionId) {
-                                            $objQuestionTmp = Question::read($questionId, $course_id);
+                                            $objQuestionTmp = Question::read($questionId, $objExercise->course);
                                             // We're inside *one* question. Go through each possible answer for this question
                                             $result = $objExercise->manage_answer(
                                                 $exeId,
@@ -4560,7 +4560,7 @@ EOT;
         if (!empty($question_list)) {
             foreach ($question_list as $questionId) {
                 // Creates a temporary Question object
-                $objQuestionTmp = Question::read($questionId);
+                $objQuestionTmp = Question::read($questionId, $objExercise->course);
                 // This variable came from exercise_submit_modal.php
                 ob_start();
                 $choice = null;
diff --git a/plugin/questionoptionsevaluation/QuestionOptionsEvaluationPlugin.php b/plugin/questionoptionsevaluation/QuestionOptionsEvaluationPlugin.php
index 9da2ebff8f..323bd2624b 100644
--- a/plugin/questionoptionsevaluation/QuestionOptionsEvaluationPlugin.php
+++ b/plugin/questionoptionsevaluation/QuestionOptionsEvaluationPlugin.php
@@ -203,12 +203,17 @@ class QuestionOptionsEvaluationPlugin extends Plugin
      */
     private function recalculateQuestionScore($formula, Exercise $exercise)
     {
-        foreach ($exercise->questionList as $questionId) {
-            $question = Question::read($questionId);
+        $counter = 0;
+
+        $table = Database::get_course_table(TABLE_QUIZ_QUESTION);
+        $tableAnswer = Database::get_course_table(TABLE_QUIZ_ANSWER);
 
+        foreach ($exercise->questionList as $questionId) {
+            $question = Question::read($questionId, $exercise->course, false);
             if (!in_array($question->selectType(), [UNIQUE_ANSWER, MULTIPLE_ANSWER])) {
                 continue;
             }
+            $counter++;
 
             $questionAnswers = new Answer($questionId, $exercise->course_id, $exercise);
             $counts = array_count_values($questionAnswers->correct);
@@ -217,7 +222,6 @@ class QuestionOptionsEvaluationPlugin extends Plugin
             foreach ($questionAnswers->correct as $i => $correct) {
                 if ($question->selectType() == MULTIPLE_ANSWER || 0 === $formula) {
                     $weighting[$i] = 1 == $correct ? 1 / $counts[1] : -1 / $counts[0];
-
                     continue;
                 }
 
@@ -226,15 +230,16 @@ class QuestionOptionsEvaluationPlugin extends Plugin
                 }
             }
 
-            $questionAnswers->new_nbrAnswers = $questionAnswers->nbrAnswers;
-            $questionAnswers->new_answer = $questionAnswers->answer;
-            $questionAnswers->new_comment = $questionAnswers->comment;
-            $questionAnswers->new_correct = $questionAnswers->correct;
-            $questionAnswers->new_weighting = $weighting;
-            $questionAnswers->new_position = $questionAnswers->position;
-            $questionAnswers->new_destination = $questionAnswers->destination;
-            $questionAnswers->new_hotspot_coordinates = $questionAnswers->hotspot_coordinates;
-            $questionAnswers->new_hotspot_type = $questionAnswers->hotspot_type;
+            for ($i = 1; $i <= $questionAnswers->nbrAnswers; $i++) {
+                $weightingValue = $weighting[$i];
+                if (!isset($questionAnswers->iid[$i])) {
+                    continue;
+                }
+
+                $iid = $questionAnswers->iid[$i];
+                $sql = "UPDATE $tableAnswer SET ponderation = '$weightingValue' WHERE iid = $iid";
+                Database::query($sql);
+            }
 
             $allowedWeights = array_filter(
                 $weighting,
@@ -243,9 +248,15 @@ class QuestionOptionsEvaluationPlugin extends Plugin
                 }
             );
 
-            $questionAnswers->save();
-            $question->updateWeighting(array_sum($allowedWeights));
-            $question->save($exercise);
+            //$question->updateWeighting(array_sum($allowedWeights));
+            //$question->save($exercise);
+
+            $params = ['ponderation' => array_sum($allowedWeights)];
+            Database::update(
+                $table,
+                $params,
+                ['iid = ?' => [$question->iid]]
+            );
         }
     }
 
diff --git a/plugin/questionoptionsevaluation/evaluation.php b/plugin/questionoptionsevaluation/evaluation.php
index 4c68f63634..32504c7a75 100644
--- a/plugin/questionoptionsevaluation/evaluation.php
+++ b/plugin/questionoptionsevaluation/evaluation.php
@@ -16,7 +16,7 @@ if (empty($exerciseId)) {
 
 $exercise = new Exercise();
 
-if (!$exercise->read($exerciseId)) {
+if (!$exercise->read($exerciseId, false)) {
     echo Display::return_message(get_lang('ExerciseNotFound'), 'error');
 
     exit;
@@ -48,11 +48,10 @@ $formEvaluation->addButtonSave(get_lang('Save'))->setColumnsSize([4, 7, 1]);
 $formEvaluation->addHidden('exercise', $exerciseId);
 
 if ($formEvaluation->validate()) {
+    $exercise->read($exerciseId, true);
     $values = $formEvaluation->exportValues();
     $formula = isset($values['formula']) ? (int) $values['formula'] : 0;
-
     $plugin->saveFormulaForExercise($formula, $exercise);
-
     Display::addFlash(
         Display::return_message(
             sprintf($plugin->get_lang('FormulaSavedForExerciseX'), $exercise->selectTitle(true)),
diff --git a/src/Chamilo/CourseBundle/Component/CourseCopy/Resources/QuizQuestion.php b/src/Chamilo/CourseBundle/Component/CourseCopy/Resources/QuizQuestion.php
index 415da830db..559c9d5ac5 100644
--- a/src/Chamilo/CourseBundle/Component/CourseCopy/Resources/QuizQuestion.php
+++ b/src/Chamilo/CourseBundle/Component/CourseCopy/Resources/QuizQuestion.php
@@ -110,7 +110,7 @@ class QuizQuestion extends Resource
             $courseId = $courseInfo['real_id'];
             $courseCode = $courseInfo['code'];
             $questionId = $this->source_id;
-            $question = \Question::read($questionId, $courseId);
+            $question = \Question::read($questionId, $courseInfo);
             $pictureId = $question->getPictureId();
             // Add the picture document in the builder
             if (!empty($pictureId)) {