AC-10826::Storefront Bundle Checkbox Validation Error message count more than 1

Author: Pooja.Manral

app/code/Magento/Bundle/view/frontend/requirejs-config.js

@@ -11,5 +11,12 @@ var config = {
             slide:          'Magento_Bundle/js/slide',
             productSummary: 'Magento_Bundle/js/product-summary'
         }
+    },
+    config: {
+        mixins: {
+            'mage/validation': {
+                'Magento_Bundle/js/validation': true
+            }
+        }
     }
 };

app/code/Magento/Bundle/view/frontend/templates/catalog/product/view/type/bundle/option/checkbox.phtml

@@ -46,18 +46,19 @@
                                     <?= ' disabled="disabled"' ?>
                                 <?php endif; ?>
                                value="<?= $block->escapeHtmlAttr($sectionId) ?>"
-                               data-errors-message-box="#validation-message-box"/>
+                               data-errors-message-box="#validation-message-box-<?= $block->escapeHtmlAttr($_option->getId()) ?>"/>
                         <label class="label"
                                for="<?= /* @noEscape */ $inputId . '-' . $block->escapeHtmlAttr($sectionId) ?>">
                             <span><?= /* @noEscape */ $block->getSelectionQtyTitlePrice($selection) ?></span>
                             <br/>
                             <?= /* @noEscape */ $block->getTierPriceRenderer()->renderTierPrice($selection) ?>
                         </label>
                     </div>
+
                 <?php endforeach; ?>
-                <div id="bundle-option-<?= $block->escapeHtmlAttr($_option->getId()) ?>-container"></div>
-                <div id="validation-message-box"></div>
             <?php endif; ?>
         </div>
+        <div id="bundle-option-<?= $block->escapeHtmlAttr($_option->getId()) ?>-container"></div>
+        <div id="validation-message-box-<?= $block->escapeHtmlAttr($_option->getId()) ?>"></div>
     </div>
 </div>

app/code/Magento/Bundle/view/frontend/web/js/validation.js

@@ -0,0 +1,58 @@
+define([
+    'jquery',
+    'jquery-ui-modules/widget'
+], function ($) {
+    'use strict';
+    var enhancedMageValidation = {
+        /**
+         * @param {*} error
+         * @param {*} element
+         */
+        options: {
+            errorPlacement: function (error, element) {
+                var errorPlacement = element,
+                    fieldWrapper,messageBox;
+
+                // logic for date-picker error placement
+                if (element.hasClass('_has-datepicker')) {
+                    errorPlacement = element.siblings('button');
+                }
+                // logic for field wrapper
+                fieldWrapper = element.closest('.addon');
+
+                if (fieldWrapper.length) {
+                    errorPlacement = fieldWrapper.after(error);
+                }
+                //logic for checkboxes/radio
+                if (element.is(':checkbox') || element.is(':radio')) {
+                    errorPlacement = element.parents('.control').children().last();
+
+                    //fallback if group does not have .control parent
+                    if (!errorPlacement.length) {
+                        errorPlacement = element.siblings('label').last();
+                    }
+                }
+                if (element.attr('data-errors-message-box')) {
+                    messageBox = $(element.attr('data-errors-message-box'));
+                    messageBox.html(error);
+                    return;
+                }
+                //logic for control with tooltip
+                if (element.siblings('.tooltip').length) {
+                    errorPlacement = element.siblings('.tooltip');
+                }
+                //logic for select with tooltip in after element
+                if (element.next().find('.tooltip').length) {
+                    errorPlacement = element.next();
+                }
+                errorPlacement.after(error);
+            }
+
+        }
+    }
+
+    return function (mageValidation) {
+        $.widget('mage.validation', mageValidation, enhancedMageValidation);
+        return $.mage.validation;
+    }
+});