diff --git a/src/controller.py b/src/controller.py
index 08dd862..940a015 100644
--- a/src/controller.py
+++ b/src/controller.py
@@ -615,7 +615,11 @@ def work():
                 return p.stderr
             elif p.returncode == 1:
                 # fatal, the error is in the latest line
-                return p.stdout.splitlines()[-1]
+                error_message = p.stdout.splitlines()[-1]
+                if "path is not closed before triangulation" in error_message:
+                    return locales.getLocale().WarningPathNotClosed
+                else:
+                    return error_message
 
             # no errors
             return ""
diff --git a/src/locales.py b/src/locales.py
index 232adac..4307e82 100644
--- a/src/locales.py
+++ b/src/locales.py
@@ -141,6 +141,7 @@ class Locale:
 
     UninterruptedPrint = "Uninterrupted print"
     M10CutDistance = "Filament cut distance, mm:"
+    WarningPathNotClosed = "When cutting the model, not closed areas were found! Check that the shapes are positioned correctly"
 
     def __init__(self, **entries):
         self.__dict__.update(entries)
@@ -290,6 +291,7 @@ def __init__(self, **entries):
         SelectingCalibrationData="Выбор калибровочных данных",
         UninterruptedPrint="Печать непрерывным волокном",
         M10CutDistance="Дистанция отреза филамента, мм:",
+        WarningPathNotClosed="При разрезании модели были обнаружены незамкнутые участки! Проверьте корректность расположения фигур",
     ),
 }