diff --git a/README.md b/README.md
index 11e33e3..df81bbe 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
--->[Русская версия](https://git.foxarmy.org/leca/checks-parser/src/branch/master/README.ru.md)<-->
+-->[Русская версия](https://git.foxarmy.org/leca/checks-parser/src/branch/master/README.ru.md)<--
 
 # Checks parser
 checks parser is a program that help parsing different checks to csv.
diff --git a/README.ru.md b/README.ru.md
index 35271f8..8a5c7a3 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -1,4 +1,4 @@
--->[English version](https://git.foxarmy.org/leca/checks-parser/src/branch/master/README.md)<-->
+-->[English version](https://git.foxarmy.org/leca/checks-parser/src/branch/master/README.md)<--
 
 # Чек парсер
 Чек парсер - это приложение, позволяющее доставать содержимое чека и переводить его в .csv файлы.
diff --git a/mainwindow.cpp b/mainwindow.cpp
index cb75245..59474c7 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -87,6 +87,13 @@ void MainWindow::on_parseButton_clicked() {
                     infoDialog.setWindowTitle(tr("Captcha is incorrect"));
                     infoDialog.exec();
                     break;
+                } else if (!strcmp(e.what(), "Internal server error")) {
+                    QMessageBox infoDialog;
+                    infoDialog.setText(tr("Internal server error. Please, try again later."));
+                    infoDialog.setIcon(QMessageBox::Critical);
+                    infoDialog.setWindowTitle(tr("Internal server error"));
+                    infoDialog.exec();
+                    return;
                 } else if (!strcmp(e.what(), "Does not exist")) {
                     QMessageBox infoDialog;
                     infoDialog.setText(tr("Check not found. Please, ensure correctness of entered data."));
diff --git a/translations/en_US.ts b/translations/en_US.ts
index 5e1a6b4..8e79468 100644
--- a/translations/en_US.ts
+++ b/translations/en_US.ts
@@ -118,7 +118,7 @@
         <location filename="../mainwindow.ui" line="333"/>
         <source>Funds income</source>
         <translatorcomment>Приход средств</translatorcomment>
-        <translation>Funds incode</translation>
+        <translation>Funds income</translation>
     </message>
     <message>
         <location filename="../mainwindow.ui" line="338"/>
@@ -160,37 +160,47 @@
     </message>
     <message>
         <location filename="../mainwindow.cpp" line="92"/>
+        <source>Internal server error. Please, try again later.</source>
+        <translation>Internal server error. Please, try again later.</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="94"/>
+        <source>Internal server error</source>
+        <translation>Internal server error</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="99"/>
         <source>Check not found. Please, ensure correctness of entered data.</source>
         <translation>Check not found. Please, ensure correctness of entered data.</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="94"/>
+        <location filename="../mainwindow.cpp" line="101"/>
         <source>Check was not found</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="116"/>
+        <location filename="../mainwindow.cpp" line="123"/>
         <source>An error has occured. Check was matched incorrectly. Vector sizes are different. Please, contact the developer.</source>
         <translation>An error has occured. Check was matched incorrectly. Vector sizes are different. Please, contact the developer.</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="118"/>
+        <location filename="../mainwindow.cpp" line="125"/>
         <source>Error in parsing</source>
         <translation>Error in parsing</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="149"/>
+        <location filename="../mainwindow.cpp" line="156"/>
         <source>Please, select a picture where QR code that contains info about check is present</source>
         <translation>Please, select a picture where QR code that contains info about check is present</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="151"/>
-        <location filename="../mainwindow.cpp" line="197"/>
+        <location filename="../mainwindow.cpp" line="158"/>
+        <location filename="../mainwindow.cpp" line="204"/>
         <source>Picture was not selected</source>
         <translation>Picture was not selected</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="195"/>
+        <location filename="../mainwindow.cpp" line="202"/>
         <source>Please, select a picture to scan</source>
         <translation>Please, select a picture to scan</translation>
     </message>
diff --git a/translations/ru_RU.ts b/translations/ru_RU.ts
index bda4749..a2bf595 100644
--- a/translations/ru_RU.ts
+++ b/translations/ru_RU.ts
@@ -60,7 +60,7 @@
         <location filename="../mainwindow.ui" line="108"/>
         <source>OCR</source>
         <translatorcomment>Оптическое Распознавание Символов</translatorcomment>
-        <translation type="unfinished">ОРС</translation>
+        <translation>ОРС</translation>
     </message>
     <message>
         <location filename="../mainwindow.ui" line="120"/>
@@ -156,37 +156,47 @@
     </message>
     <message>
         <location filename="../mainwindow.cpp" line="92"/>
+        <source>Internal server error. Please, try again later.</source>
+        <translation>Внутренняя ошибка сервера. Пожалуйста, попробуйте снова позже.</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="94"/>
+        <source>Internal server error</source>
+        <translation>Внутренняя ошибка сервера</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="99"/>
         <source>Check not found. Please, ensure correctness of entered data.</source>
         <translation>Чек не найден. Пожалуйста, убедитесь в правильности введённых данных.</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="94"/>
+        <location filename="../mainwindow.cpp" line="101"/>
         <source>Check was not found</source>
         <translation>Чек не найден</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="116"/>
+        <location filename="../mainwindow.cpp" line="123"/>
         <source>An error has occured. Check was matched incorrectly. Vector sizes are different. Please, contact the developer.</source>
         <translation>Произошла ошибка. Чек был прочитан неверно. Размеры векторов различаются. Пожалуйста, сообщите об этом разработчику.</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="118"/>
+        <location filename="../mainwindow.cpp" line="125"/>
         <source>Error in parsing</source>
         <translation>Ошибка в парсинге</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="149"/>
+        <location filename="../mainwindow.cpp" line="156"/>
         <source>Please, select a picture where QR code that contains info about check is present</source>
         <translation>Пожалуйста, выберете изображение, содержащее QR код с информацией о чеке</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="151"/>
-        <location filename="../mainwindow.cpp" line="197"/>
+        <location filename="../mainwindow.cpp" line="158"/>
+        <location filename="../mainwindow.cpp" line="204"/>
         <source>Picture was not selected</source>
         <translation>Изображение не было выбрано</translation>
     </message>
     <message>
-        <location filename="../mainwindow.cpp" line="195"/>
+        <location filename="../mainwindow.cpp" line="202"/>
         <source>Please, select a picture to scan</source>
         <translation>Пожалуйста, выберете изображение для сканирования</translation>
     </message>
diff --git a/utils/utils.cpp b/utils/utils.cpp
index c2673a8..e220616 100644
--- a/utils/utils.cpp
+++ b/utils/utils.cpp
@@ -124,6 +124,8 @@ Check parseOfdRuAnswer(std::string html) {
     if ((products.size() + amounts.size() + prices.size()) == 0) {
         if (html == "Bad Request4") { // Failed to solve a captcha
             throw OfdRequestException("Incorrect captcha");
+        } else if (html.find("500 - Internal server error.") != std::string::npos) {
+            throw OfdRequestException("Internal server error");
         } else { // Most likely that the check does not exist
             throw OfdRequestException("Does not exist");
         }