WPLMS Quiz retake should include questions which were incorrect and exclude questions which were correct.

functions.php

add_filter('bp_course_dynamic_quiz_tag_questions',function($args,$alltags,$quiz_id,$user_id){
    //fetch result
    $user_quiz_result = bp_course_get_quiz_results_meta($quiz_id,$user_id);
    if(empty($user_quiz_result)){
        return $args;
    }

    if(is_serialized($user_quiz_result)){
        $user_quiz_result = unserialize($user_quiz_result);
    }
   
    $include_ids = $exclude_ids=[];
    foreach($user_quiz_result as $q){
        if((empty($q['marks']) || $q['marks'] <= 0) && !empty($q['id'])){
            $include_ids[]=$q['id'];
        }else{
            $exclude_ids[]=$q['id'];
        }
    }

    if(!empty($include_ids)){
        $args['post__in']=$include_ids;
        $args['post__not_in']=$exclude_ids;
    }
  return $args;
},10,4);