diff --git a/src/assets/localization/fallback.strings b/src/assets/localization/fallback.strings
index b6946da3b..a0614c43e 100644
--- a/src/assets/localization/fallback.strings
+++ b/src/assets/localization/fallback.strings
@@ -742,6 +742,7 @@
 "PollsStopWarning" = "If you stop this poll now, nobody will be able to vote in it anymore. This action cannot be undone.";
 "PollsStopSure" = "Stop";
 "PaymentTestInvoice" = "TEST INVOICE";
+"PaymentInvoiceNotFound" = "Invoice not found";
 "AttachLiveLocation" = "Live Location";
 "NoWordsRecognized" = "No words recognized.";
 "ViaBot" = "via";
diff --git a/src/global/actions/api/payments.ts b/src/global/actions/api/payments.ts
index 21ec81352..249b65ec8 100644
--- a/src/global/actions/api/payments.ts
+++ b/src/global/actions/api/payments.ts
@@ -97,6 +97,8 @@ addActionHandler('openInvoice', async (global, actions, payload): Promise<void>
 
   if ('error' in form) {
     setGlobal(global);
+
+    handlePaymentFormError(form.error, tabId);
     return;
   }
 
@@ -1099,7 +1101,7 @@ async function payInputStarInvoice<T extends GlobalState>(
   setGlobal(global);
 
   if ('error' in form) {
-    actions.showDialog({ data: { message: form.error || 'Error', hasErrorKey: true }, tabId });
+    handlePaymentFormError(form.error, tabId);
     return;
   }
 
@@ -1179,3 +1181,17 @@ addActionHandler('processStarGiftWithdrawal', async (global, actions, payload):
   actions.openUrl({ url: result.url, shouldSkipModal: true, tabId });
   actions.closeGiftWithdrawModal({ tabId });
 });
+
+function handlePaymentFormError(error: string, tabId: number) {
+  if (error === 'SLUG_INVALID') {
+    getActions().showNotification({
+      message: {
+        key: 'PaymentInvoiceNotFound',
+      },
+      tabId,
+    });
+    return;
+  }
+
+  getActions().showDialog({ data: { message: error, hasErrorKey: true }, tabId });
+}
diff --git a/src/types/language.d.ts b/src/types/language.d.ts
index c4b70fb4b..0287c6cf8 100644
--- a/src/types/language.d.ts
+++ b/src/types/language.d.ts
@@ -654,6 +654,7 @@ export interface LangPair {
   'PollsStopWarning': undefined;
   'PollsStopSure': undefined;
   'PaymentTestInvoice': undefined;
+  'PaymentInvoiceNotFound': undefined;
   'AttachLiveLocation': undefined;
   'NoWordsRecognized': undefined;
   'ViaBot': undefined;
@@ -981,7 +982,6 @@ export interface LangPair {
   'ChatListFilterErrorEmpty': undefined;
   'ChatListFilterErrorTitleEmpty': undefined;
   'FilterMuted': undefined;
-  'ReadFolder': undefined;
   'FilterRead': undefined;
   'FilterArchived': undefined;
   'GroupsAndChannelsLimitTitle': undefined;
@@ -1284,14 +1284,25 @@ export interface LangPair {
   'PrivacyGiftsInfo': undefined;
   'PrivacyAcceptedGiftTitle': undefined;
   'PrivacyAcceptedGiftInfo': undefined;
-  'PrivacyDisplayGiftsButton': undefined;
-  'PrivacyDisplayGift': undefined;
-  'SendDisallowError': undefined;
   'PrivacyValueBots': undefined;
   'PrivacyGiftLimitedEdition': undefined;
   'PrivacyGiftUnlimited': undefined;
   'PrivacyGiftUnique': undefined;
   'PrivacyGiftPremiumSubscription': undefined;
+  'PrivacyDisplayGiftsButton': undefined;
+  'PrivacyDisplayGift': undefined;
+  'SendDisallowError': undefined;
+  'PrivacySubscribeToTelegramPremium': undefined;
+  'PrivacyDisableLimitedEditionStarGifts': undefined;
+  'PrivacyEnableLimitedEditionStarGifts': undefined;
+  'PrivacyDisableUnlimitedStarGifts': undefined;
+  'PrivacyEnableUnlimitedStarGifts': undefined;
+  'PrivacyDisableUniqueStarGifts': undefined;
+  'PrivacyEnableUniqueStarGifts': undefined;
+  'PrivacyDisablePremiumGifts': undefined;
+  'PrivacyEnablePremiumGifts': undefined;
+  'DisplayGiftsButton': undefined;
+  'HideGiftsButton': undefined;
   'CustomShareGiftsInfo': undefined;
   'AllChatsSearchContext': undefined;
   'PrivateChatsSearchContext': undefined;
@@ -1479,17 +1490,6 @@ export interface LangPair {
   'GroupMessagesChargePrice': undefined;
   'RightsChargeStarsAbout': undefined;
   'UnlockButtonTitle': undefined;
-  'PrivacySubscribeToTelegramPremium': undefined;
-  'PrivacyDisableLimitedEditionStarGifts': undefined;
-  'PrivacyEnableLimitedEditionStarGifts': undefined;
-  'PrivacyDisableUnlimitedStarGifts': undefined;
-  'PrivacyEnableUnlimitedStarGifts': undefined;
-  'PrivacyDisableUniqueStarGifts': undefined;
-  'PrivacyEnableUniqueStarGifts': undefined;
-  'PrivacyDisablePremiumGifts': undefined;
-  'PrivacyEnablePremiumGifts': undefined;
-  'DisplayGiftsButton': undefined;
-  'HideGiftsButton': undefined;
   'FrozenAccountModalTitle': undefined;
   'FrozenAccountViolationTitle': undefined;
   'FrozenAccountViolationSubtitle': undefined;
@@ -1579,10 +1579,6 @@ export interface LangPairWithVariables<V extends unknown = LangVariable> {
   'SpeakingWithVolume': {
     'volume': V;
   };
-  'PrivacyDisplayGiftIconInChats':{
-    'icon': V;
-    'gift': V;
-  };
   'CallEmojiKeyTooltip': {
     'user': V;
   };
@@ -2002,6 +1998,10 @@ export interface LangPairWithVariables<V extends unknown = LangVariable> {
     'bot': V;
     'filename': V;
   };
+  'PrivacyDisplayGiftIconInChats': {
+    'icon': V;
+    'gift': V;
+  };
   'StarsSubscribeBotButtonMonth': {
     'amount': V;
   };