diff --git a/TestSuite/errors/err0001.pas b/TestSuite/errors/err0001.pas
index d53923980..029910930 100644
--- a/TestSuite/errors/err0001.pas
+++ b/TestSuite/errors/err0001.pas
@@ -1,3 +1,3 @@
 begin
-var a := 1;
+var a := 1
 end.
\ No newline at end of file
diff --git a/TestSuite/errors/err0398.pas b/TestSuite/errors/err0398.pas
new file mode 100644
index 000000000..50062b512
--- /dev/null
+++ b/TestSuite/errors/err0398.pas
@@ -0,0 +1,18 @@
+var i: integer;
+
+type
+  I1<T>=interface
+    procedure p1;
+  end;
+  C1<T>=class(I1<T>)
+    
+    public procedure I1<T>.p1(i: integer);
+    begin
+      i := 1;
+    end;
+   
+  end;
+
+begin 
+
+end.
\ No newline at end of file
diff --git a/TestSuite/explicitinterface7.pas b/TestSuite/explicitinterface7.pas
new file mode 100644
index 000000000..9d68cfcbe
--- /dev/null
+++ b/TestSuite/explicitinterface7.pas
@@ -0,0 +1,27 @@
+var i: integer;
+
+type
+  I1<T>=interface
+    procedure p1;
+  end;
+  
+  C1<T>=class(I1<T>)//Класс C1<T> не реализует метод p1 интерфейса I1<T>
+    
+    public procedure I1<T>.p1;
+    begin
+      i := 1;
+    end;
+    public procedure p1;
+    begin
+      i := 2;
+    end;
+  end;
+
+begin 
+  var ii: I1<integer> := new C1<integer>;
+  var o := new C1<integer>;
+  ii.p1;
+  assert(i = 1);
+  o.p1;
+  assert(i = 2);
+end.
\ No newline at end of file
diff --git a/TestSuite/explicitinterface8.pas b/TestSuite/explicitinterface8.pas
new file mode 100644
index 000000000..c96b361a4
--- /dev/null
+++ b/TestSuite/explicitinterface8.pas
@@ -0,0 +1,23 @@
+uses System;
+var i: integer;
+
+type
+  
+  C1<T>=class(IComparable<T>)//Класс C1<T> не реализует метод p1 интерфейса I1<T>
+    
+    public function IComparable<T>.CompareTo(item: T): integer;
+    begin
+      Result := 1;
+    end;
+    public function CompareTo(item: T): integer;
+    begin
+      Result := -1;
+    end;
+  end;
+
+begin 
+  var ii: IComparable<integer> := new C1<integer>;
+  var o := new C1<integer>;
+  assert(ii.CompareTo(1) = 1);
+  assert(o.CompareTo(1) = -1);
+end.
\ No newline at end of file
diff --git a/TreeConverter/TreeConversion/compilation_context.cs b/TreeConverter/TreeConversion/compilation_context.cs
index b6e1e986d..8fa172f38 100644
--- a/TreeConverter/TreeConversion/compilation_context.cs
+++ b/TreeConverter/TreeConversion/compilation_context.cs
@@ -2758,7 +2758,13 @@ namespace PascalABCCompiler.TreeConverter
             if (meth is compiled_function_node)
                 tmp_si = cnode.find_in_type((meth as compiled_function_node).cont_type.BaseFullName + "." + meth.name, cnode.Scope);
             else if (meth is common_method_node)
-                tmp_si = cnode.find_in_type((meth as common_method_node).cont_type.BaseFullName + "." + meth.name, cnode.Scope);
+            {
+                string base_type_name = (meth as common_method_node).cont_type.BaseFullName;
+                if (base_type_name != null && (meth as common_method_node).cont_type.original_generic != null && base_type_name.IndexOf('<') != -1)
+                    base_type_name = (meth as common_method_node).cont_type.original_generic.BaseFullName;
+                tmp_si = cnode.find_in_type(base_type_name + "." + meth.name, cnode.Scope);
+            }
+                
             if (tmp_si != null)
             {
                 /*Зачем это?