fetch data from mysql database and 1st one success but this one not showing already included connection

waiting an answer

index.php

 <div class="container-fluid service py-5">
            <div class="container py-5">
                <div class="row g-4 justify-content-center">
                <?php

$promo1_rs = Database::search("SELECT * FROM `promo_1` ");

$promo1_num = $promo1_rs->num_rows;

for ($t = 0; $t < $product_num; $t++) {
    $promo1_data = $promo1_rs->fetch_assoc();
    
    ?>
    
                    <div class="col-md-6 col-lg-4">
                        <a href="#">
                            <div class="service-item bg-secondary rounded border border-secondary">
                                <img src="" class="img-fluid rounded-top w-100"
                                    alt="">
                                <div class="px-4 rounded-bottom">
                                    <div class="service-content bg-primary text-center p-4 rounded">
                                        <h5 class="text-white"><?php echo $promo1_data["title"]; ?></h5>
                                        <h3 class="mb-0"><?php echo $promo1_data["promo_title"]; ?></h3>
                                        
                                    </div>
                                </div>
                            </div>
                        </a>
                    </div>
                    <?php } ?>
                   

                </div>
            </div>
        </div>

Connection Included