diff --git a/SyntaxTreeConverters/StandardSyntaxConverter.cs b/SyntaxTreeConverters/StandardSyntaxConverter.cs
index e054f48f8..5a78a2cee 100644
--- a/SyntaxTreeConverters/StandardSyntaxConverter.cs
+++ b/SyntaxTreeConverters/StandardSyntaxConverter.cs
@@ -80,6 +80,7 @@ namespace PascalABCCompiler.SyntaxTreeConverters
 
                 System.IO.File.AppendAllText(@"d:\\zzz4.txt",e.Message);
             }*/
+            
 
 #endif
             return root;
diff --git a/SyntaxVisitors/YieldVisitors/MarkMethodHasYieldVisitor.cs b/SyntaxVisitors/YieldVisitors/MarkMethodHasYieldVisitor.cs
index ca742f5f9..b9d0aa59b 100644
--- a/SyntaxVisitors/YieldVisitors/MarkMethodHasYieldVisitor.cs
+++ b/SyntaxVisitors/YieldVisitors/MarkMethodHasYieldVisitor.cs
@@ -65,6 +65,11 @@ namespace SyntaxVisitors
                     {
                         throw new SyntaxVisitorError("FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_LOCAL_TYPE_DEFINITIONS", FirstTypeDeclaration.First().source_context);
                     }
+                    var FirstInheritedIdent = ee.DescendantNodes().OfType<inherited_ident>(); // SSM bug fix #1440
+                    if (FirstInheritedIdent.Count() > 0)
+                    {
+                        throw new SyntaxVisitorError("FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_INHERITED_CALLS", FirstInheritedIdent.First().source_context);
+                    }
                 }
             }
 
diff --git a/bin/Lng/Eng/SyntaxTreeVisitorsErrors.dat b/bin/Lng/Eng/SyntaxTreeVisitorsErrors.dat
index 328c893b2..efa71f318 100644
--- a/bin/Lng/Eng/SyntaxTreeVisitorsErrors.dat
+++ b/bin/Lng/Eng/SyntaxTreeVisitorsErrors.dat
@@ -10,6 +10,7 @@ FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_LOCK=Functions with yield cannot contain lo
 FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_TRY_EXCEPT_FINALLY=Functions with yield cannot contain try..except or try..finally statements
 FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_NESTED_SUBROUTINES=Functions with yield cannot contain nested subrotines or be nested
 FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_LOCAL_TYPE_DEFINITIONS=Functions with yield cannot contain local type definitions
+FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_INHERITED_CALLS=Functions with yield cannot contain calls of inherited methods
 YIELDS_INSIDE_WITH_ARE_ILLEGAL=with statement cannot contain yields
 LAMBDA_EXPRESSIONS_CANNOT_CONTAIN_YIELD=Lambda-expressions cannot contain yields
 
diff --git a/bin/Lng/Rus/SyntaxTreeVisitorsErrors.dat b/bin/Lng/Rus/SyntaxTreeVisitorsErrors.dat
index b5a348048..44c667360 100644
--- a/bin/Lng/Rus/SyntaxTreeVisitorsErrors.dat
+++ b/bin/Lng/Rus/SyntaxTreeVisitorsErrors.dat
@@ -10,6 +10,7 @@ FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_LOCK=Функции с yield не могу
 FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_TRY_EXCEPT_FINALLY=Функции с yield не могут содержать блоков try..except и try..finally
 FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_NESTED_SUBROUTINES=Функции с yield не могут содержать вложенные подпрограммы и сами быть вложенными 
 FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_LOCAL_TYPE_DEFINITIONS=Функции с yield не могут содержать локальные определения типов
+FUNCTIONS_WITH_YIELDS_CANNOT_CONTAIN_INHERITED_CALLS=Функции с yield не могут содержать вызовы inherited методов
 YIELDS_INSIDE_WITH_ARE_ILLEGAL=Оператор yield запрещен внутри with
 LAMBDA_EXPRESSIONS_CANNOT_CONTAIN_YIELD=Лямбда-выражения не могут содержать yield