diff --git a/SRC/MEStc_ABC/MEStc_ABC.csproj b/SRC/MEStc_ABC/MEStc_ABC.csproj
index ee37332..c93ad41 100644
--- a/SRC/MEStc_ABC/MEStc_ABC.csproj
+++ b/SRC/MEStc_ABC/MEStc_ABC.csproj
@@ -145,6 +145,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="tcSXS4\clsLot_21691.cs" />
     <Compile Include="tcWIP\clsLot.cs" />
   </ItemGroup>
   <ItemGroup>
@@ -152,7 +153,6 @@
     <Folder Include="tcSXS1\" />
     <Folder Include="tcSXS2\" />
     <Folder Include="tcSXS3\" />
-    <Folder Include="tcSXS4\" />
     <Folder Include="tcSXS5\" />
     <Folder Include="tcSXS6\" />
   </ItemGroup>
diff --git a/SRC/wsABC/wsABC.csproj b/SRC/wsABC/wsABC.csproj
index ca9234d..8558fea 100644
--- a/SRC/wsABC/wsABC.csproj
+++ b/SRC/wsABC/wsABC.csproj
@@ -145,6 +145,7 @@
       <DependentUpon>Settings.settings</DependentUpon>
       <DesignTimeSharedInput>True</DesignTimeSharedInput>
     </Compile>
+    <Compile Include="wsSXS4\wsWIP_21691.cs" />
     <Compile Include="wsWIP\wsWIP.cs" />
   </ItemGroup>
   <ItemGroup>
@@ -170,7 +171,6 @@
     <Folder Include="wsSXS1\" />
     <Folder Include="wsSXS2\" />
     <Folder Include="wsSXS3\" />
-    <Folder Include="wsSXS4\" />
     <Folder Include="wsSXS5\" />
     <Folder Include="wsSXS6\" />
   </ItemGroup>