diff --git a/packages/graphql/api/subscriptions.ts b/packages/graphql/api/subscriptions.ts
index c6a79f4..0084e74 100644
--- a/packages/graphql/api/subscriptions.ts
+++ b/packages/graphql/api/subscriptions.ts
@@ -5,6 +5,15 @@ import { OrdersService } from './orders';
 import { type VariablesOf } from '@graphql-typed-document-node/core';
 import dayjs from 'dayjs';
 
+export const ERRORS = {
+  FAILED_TO_CREATE_TRIAL_SUBSCRIPTION: 'Не удалось создать пробную подписку',
+  SUBSCRIPTION_PRICES_NOT_FOUND: 'Цены подписки не найдены',
+  SUBSCRIPTION_SETTING_NOT_FOUND: 'Настройки подписки не найдены',
+  TRIAL_PERIOD_ALREADY_USED: 'Пробный период уже был использован',
+  TRIAL_PERIOD_NOT_ACTIVE: 'Пробный период неактивен',
+  TRIAL_PERIOD_NOT_FOUND: 'Пробный период не найден',
+};
+
 export class SubscriptionsService extends BaseService {
   async createSubscription(variables: VariablesOf<typeof GQL.CreateSubscriptionDocument>) {
     await this.checkIsBanned();
@@ -56,20 +65,20 @@ export class SubscriptionsService extends BaseService {
           item?.state === GQL.Enum_Subscriptionhistory_State.Success,
       );
       if (hasUsedTrial) {
-        throw new Error('Пробный период уже был использован');
+        throw new Error(ERRORS.TRIAL_PERIOD_ALREADY_USED);
       }
     }
 
     // Получаем цены подписки для определения длительности пробного периода
     const { subscriptionPrices } = await this.getSubscriptionPrices({ isActive: true });
-    if (!subscriptionPrices) throw new Error('Subscription prices not found');
+    if (!subscriptionPrices) throw new Error(ERRORS.SUBSCRIPTION_PRICES_NOT_FOUND);
 
     // Ищем пробный период
     const trialPrice = subscriptionPrices.find(
       (price) => price?.period === GQL.Enum_Subscriptionprice_Period.Trial,
     );
-    if (!trialPrice) throw new Error('Trial period not found');
-    if (!trialPrice.isActive) throw new Error('Trial period is not active');
+    if (!trialPrice) throw new Error(ERRORS.TRIAL_PERIOD_NOT_FOUND);
+    if (!trialPrice.isActive) throw new Error(ERRORS.TRIAL_PERIOD_NOT_ACTIVE);
 
     const trialPeriodDays = trialPrice?.days;
     const now = dayjs();
@@ -86,7 +95,7 @@ export class SubscriptionsService extends BaseService {
     });
 
     if (!subscriptionData?.createSubscription) {
-      throw new Error('Failed to create trial subscription');
+      throw new Error(ERRORS.FAILED_TO_CREATE_TRIAL_SUBSCRIPTION);
     }
 
     const subscription = subscriptionData.createSubscription;
@@ -222,7 +231,7 @@ export class SubscriptionsService extends BaseService {
 
     const { subscriptionSetting } = await this.getSubscriptionSettings();
 
-    if (!subscriptionSetting) throw new Error('Subscription setting not found');
+    if (!subscriptionSetting) throw new Error(ERRORS.SUBSCRIPTION_SETTING_NOT_FOUND);
 
     const { maxOrdersPerMonth } = subscriptionSetting;