diff --git a/src/data/faker/cartRule.ts b/src/data/faker/cartRule.ts
index aa681336b..efd3edb06 100644
--- a/src/data/faker/cartRule.ts
+++ b/src/data/faker/cartRule.ts
@@ -71,7 +71,7 @@ export default class FakerCartRule {
 
   public readonly discountType: string;
 
-  public readonly discountPercent: number | null;
+  public discountPercent: number | string | null;
 
   public readonly discountAmount: CartRuleDiscountAmount | null;
 
@@ -205,4 +205,14 @@ export default class FakerCartRule {
       this.freeGiftProduct = cartRuleToCreate.freeGiftProduct || null;
     }
   }
+
+  getDiscountPercent(): number {
+    return parseInt(this.discountPercent!.toString(), 10);
+  }
+
+  setDiscountPercent(discountPercent: number|string|null): this {
+    this.discountPercent = discountPercent;
+
+    return this;
+  }
 }
diff --git a/src/interfaces/BO/catalog/discounts/create.ts b/src/interfaces/BO/catalog/discounts/create.ts
index 36c2d0b73..ce449ce7a 100644
--- a/src/interfaces/BO/catalog/discounts/create.ts
+++ b/src/interfaces/BO/catalog/discounts/create.ts
@@ -4,6 +4,8 @@ import {type Frame, type Page} from '@playwright/test';
 
 export interface BOCartRulesCreatePageInterface extends BOBasePagePageInterface {
   readonly editPageTitle: string;
+  readonly errorMessageFieldInvalid: (field: string) => string;
+  readonly errorMessageReductionPercentageBetween: string;
   readonly pageTitle: string;
 
   clickOnCancelButton(page: Page): Promise<void>;
diff --git a/src/interfaces/FO/cart/index.ts b/src/interfaces/FO/cart/index.ts
index d5d1b2b5e..cc3b14077 100644
--- a/src/interfaces/FO/cart/index.ts
+++ b/src/interfaces/FO/cart/index.ts
@@ -29,7 +29,7 @@ export interface FoCartPageInterface extends FOBasePagePageInterface {
     getAlertWarningForPromoCode(page: Page): Promise<string>;
     getCartRuleErrorMessage(page: Page): Promise<string>;
     getCartRuleName(page: Page, line?: number): Promise<string>;
-    getDiscountValue(page: Page, line?: number): Promise<number>;
+    getCartRuleValue(page: Page, line?: number): Promise<string>;
     getHighlightPromoCode(page: Page): Promise<string>;
     getNoItemsInYourCartMessage(page: Page): Promise<string>;
     getNotificationMessage(page: Page): Promise<string>;
diff --git a/src/utils/core.ts b/src/utils/core.ts
index c18c0a3fe..807afaea7 100644
--- a/src/utils/core.ts
+++ b/src/utils/core.ts
@@ -33,12 +33,12 @@ export default {
   },
 
   /**
-     * Calculate percentage
-     * @param num {number|float} Number to do the percentage
-     * @param percentage {number} Percentage value
-     * @returns {Promise<number|float>}
-     */
-  async percentage(num: number, percentage: number): Promise<number> {
+    * Calculate percentage
+    * @param num {number|float} Number to do the percentage
+    * @param percentage {number} Percentage value
+    * @returns {number|float}
+    */
+  percentage(num: number, percentage: number): number {
     return (num / 100) * percentage;
   },
 
diff --git a/src/versions/develop/pages/BO/catalog/discounts/create.ts b/src/versions/develop/pages/BO/catalog/discounts/create.ts
index 679a57104..e3dc908bd 100644
--- a/src/versions/develop/pages/BO/catalog/discounts/create.ts
+++ b/src/versions/develop/pages/BO/catalog/discounts/create.ts
@@ -13,6 +13,10 @@ class BOCartRulesCreatePage extends BOBasePage implements BOCartRulesCreatePageI
 
   public readonly editPageTitle: string;
 
+  public readonly errorMessageReductionPercentageBetween: string;
+
+  public readonly errorMessageFieldInvalid: (field: string) => string;
+
   private readonly cartRuleForm: string;
 
   private readonly infomationsTabLink: string;
@@ -167,6 +171,10 @@ class BOCartRulesCreatePage extends BOBasePage implements BOCartRulesCreatePageI
     this.pageTitle = 'Cart Rules > Add new •';
     this.editPageTitle = 'Cart Rules > Edit';
 
+    // Messages
+    this.errorMessageReductionPercentageBetween = 'Reduction percentage must be between 0% and 100%';
+    this.errorMessageFieldInvalid = (field: string) => `The ${field} field is invalid.`;
+
     // Selectors
     this.cartRuleForm = '#cart_rule_form';
 
@@ -541,10 +549,10 @@ class BOCartRulesCreatePage extends BOBasePage implements BOCartRulesCreatePageI
   async saveCartRule(page: Frame | Page): Promise<string> {
     await this.clickAndWaitForURL(page, this.saveButton);
 
-    if (await this.elementVisible(page, `${this.alertSuccessBlock}[role='alert']`, 2000)) {
-      return this.getTextContent(page, `${this.alertSuccessBlock}[role='alert']`);
+    if (await this.elementVisible(page, `${this.alertBlock}[role='alert']`, 2000)) {
+      return this.getTextContent(page, `${this.alertBlock}[role='alert']`);
     }
-    return this.getTextContent(page, this.alertSuccessBlock);
+    return this.getTextContent(page, this.alertBlock);
   }
 
   /**
diff --git a/src/versions/develop/pages/FO/classic/cart/index.ts b/src/versions/develop/pages/FO/classic/cart/index.ts
index f0c0e6fdc..a4ac149cd 100644
--- a/src/versions/develop/pages/FO/classic/cart/index.ts
+++ b/src/versions/develop/pages/FO/classic/cart/index.ts
@@ -519,22 +519,22 @@ class CartPage extends FOBasePage implements FoCartPageInterface {
   }
 
   /**
-   * Get cart rule error text
+   * Get cart rule value
    * @param page {Page} Browser tab
-   * @returns {Promise<string>}
+   * @param line {number} Cart rule line
+   * @return {string}
    */
-  async getCartRuleErrorMessage(page: Page): Promise<string> {
-    return this.getTextContent(page, this.cartRuleAlertMessage);
+  async getCartRuleValue(page: Page, line: number = 1): Promise<string> {
+    return this.getTextContent(page, this.discountValue(line));
   }
 
   /**
-   * Get discount value
+   * Get cart rule error text
    * @param page {Page} Browser tab
-   * @param line {number} Cart summary line
-   * @returns {Promise<number>}
+   * @returns {Promise<string>}
    */
-  async getDiscountValue(page: Page, line: number = 1): Promise<number> {
-    return this.getPriceFromText(page, this.discountValue(line), 2000);
+  async getCartRuleErrorMessage(page: Page): Promise<string> {
+    return this.getTextContent(page, this.cartRuleAlertMessage);
   }
 
   /**