diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a3833c..f33752d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [103.9.1] - 2022-11-23
+### Fixed
+- Client-side validation is not triggered while clicking on the “Place Order“ button for the ACH payment method
+- There is an "Invalid credentials" error message is shown when trying to save module settings even for correct credentials
+- Fix incorrect dependency used in logger of the Hosted Checkout payment method
+
 ## [103.9.0] - 2022-10-19
 ### Changed
 - Add the “Verify and Tokenize“ Payment Option for the "Hosted Payment Session" Payment Method
diff --git a/composer.json b/composer.json
index 9057258..59481f9 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
   "description": "Official Magento2 Plugin to integrate with MasterCard Payments",
   "type": "magento2-module",
   "license": "Apache-2.0",
-  "version": "103.9.0",
+  "version": "103.9.1",
   "require": {
     "magento/framework": "^102.0.0|^103.0.0"
   },
diff --git a/etc/di.xml b/etc/di.xml
index faf0b34..058e9b0 100644
--- a/etc/di.xml
+++ b/etc/di.xml
@@ -18,6 +18,8 @@
     <preference for="OnTap\MasterCard\Api\SessionInformationManagementInterface" type="OnTap\MasterCard\Model\SessionInformationManagement" />
     <preference for="OnTap\MasterCard\Api\VerifyPaymentFlagInterface" type="OnTap\MasterCard\Model\VerifyPaymentFlag" />
 
+    <type name="OnTap\MasterCard\Gateway\Http\Client\Adapter\Rest" shared="false" />
+
     <type name="OnTap\MasterCard\Model\System\Config\Backend\Cert">
         <arguments>
             <argument name="resource" xsi:type="object">Magento\Config\Model\ResourceModel\Config\Data</argument>
@@ -33,7 +35,7 @@
 
     <virtualType name="MpgsHostedLogger" type="Magento\Payment\Model\Method\Logger">
         <arguments>
-            <argument name="config" xsi:type="object">TnsHpfConfig</argument>
+            <argument name="config" xsi:type="object">TnsHostedConfig</argument>
         </arguments>
     </virtualType>
 
diff --git a/view/frontend/web/js/view/payment/method-renderer/ach/hosted-session.js b/view/frontend/web/js/view/payment/method-renderer/ach/hosted-session.js
index cf3693e..bc9b242 100644
--- a/view/frontend/web/js/view/payment/method-renderer/ach/hosted-session.js
+++ b/view/frontend/web/js/view/payment/method-renderer/ach/hosted-session.js
@@ -28,7 +28,8 @@ define(
             defaults: {
                 template: 'OnTap_MasterCard/payment/ach/hosted-session'
             },
-            getFields: function () {
+
+            getCardFields: function () {
                 return {
                     ach: {
                         accountType: "#ach-account-type",
@@ -38,6 +39,7 @@ define(
                     }
                 }
             },
+
             errorMap: function () {
                 return {
                     'accountType': $t('Invalid account type'),
@@ -46,9 +48,11 @@ define(
                     'routingNumber': $t('Invalid routing number')
                 };
             },
+
             load: function (callback) {
                 require([this.component_url], callback);
             },
+
             configure: function (callback) {
                 var elem = document.getElementById('ach-account-holder');
                 if (elem) {
@@ -57,9 +61,10 @@ define(
                     setTimeout(this.configure.bind(this, callback), 100);
                 }
             },
+
             _configure: function (callback) {
                 PaymentSession.configure({
-                    fields: this.getFields(),
+                    fields: this.getCardFields(),
                     frameEmbeddingMitigation: ['x-frame-options'],
                     callbacks: {
                         initialized: callback,
@@ -67,33 +72,75 @@ define(
                     }
                 }, this.getId());
             },
+
             formSessionUpdate: function (response) {
-                var fields = this.getFields();
+                var fields, errors, message, elemId;
+
+                fields = this.getCardFields();
                 if (response.status === "fields_in_error") {
                     if (response.errors) {
-                        var errors = this.errorMap();
-                        _.keys(response.errors).forEach(function(errorField) {
-                            var message = errors[errorField],
-                                elem_id = fields.ach[errorField] + '-error';
+                        errors = this.errorMap();
+                        _.keys(response.errors).forEach(function (errorField) {
+                            message = errors[errorField];
+                            elemId = fields.ach[errorField] + '-error';
 
-                            $(elem_id).text(message).show();
+                            $(elemId).text(message).show();
                         });
                         this.sessionUpdateErrorCallback(response);
                     }
                 }
+
                 if (response.status === "ok") {
                     this.sessionUpdateCallback(response);
                 }
             },
+
             pay: function (callback, errorCallback) {
-                var fields = this.getFields();
+                var fields, isAchValid, achResult;
+
+                fields = this.getCardFields();
                 _.values(fields.ach).forEach(function (field) {
                     $(field + '-error').hide();
                 });
 
-                this.sessionUpdateErrorCallback = errorCallback;
-                this.sessionUpdateCallback = callback;
-                PaymentSession.updateSessionFromForm('ach', undefined, this.getId());
+                PaymentSession.validate('ach', function (result) {
+                    achResult = result.ach || {};
+                    isAchValid = achResult.isValid || false;
+
+                    if (isAchValid) {
+                        this.sessionUpdateErrorCallback = errorCallback;
+                        this.sessionUpdateCallback = callback;
+                        PaymentSession.updateSessionFromForm('ach', undefined, this.getId());
+                    } else {
+                        this.showValidationErrors(result);
+                        errorCallback(result);
+                    }
+                }.bind(this));
+            },
+
+            showValidationErrors: function (result) {
+                var achResult, errorsMessages, fields;
+
+                achResult = result.ach || {};
+                fields = this.getCardFields();
+                _.values(fields.ach).forEach(function (field) {
+                    $(field + '-error').hide();
+                });
+
+                errorsMessages = this.errorMap();
+                _.keys(fields.ach).forEach(function (fieldKey) {
+                    var fieldData, message, elemId;
+
+                    fieldData = achResult[fieldKey] || false;
+                    if (!fieldData || fieldData.isValid) {
+                        return;
+                    }
+
+                    message = errorsMessages[fieldKey];
+                    elemId = fields.ach[fieldKey] + '-error';
+
+                    $(elemId).text(message).show();
+                })
             }
         });
     }