Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/Ringtoets.HeightStructures.IO.csproj
===================================================================
diff -u -rcf6492440ed1b8aea0531cec0670f2559b6c503f -r3bbcb9e79264c1031d399da357be326c48f4e5f4
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/Ringtoets.HeightStructures.IO.csproj	(.../Ringtoets.HeightStructures.IO.csproj)	(revision cf6492440ed1b8aea0531cec0670f2559b6c503f)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/Ringtoets.HeightStructures.IO.csproj	(.../Ringtoets.HeightStructures.IO.csproj)	(revision 3bbcb9e79264c1031d399da357be326c48f4e5f4)
@@ -42,13 +42,18 @@
     <Compile Include="HeightStructuresCharacteristicsCsvReader.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="StructuresParameterRow.cs" />
+    <Compile Include="VarianceType.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\..\..\build\Copying.licenseheader">
       <Link>Copying.licenseheader</Link>
     </None>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\Core\Common\src\Core.Common.IO\Core.Common.IO.csproj">
+      <Project>{e344867e-9ac9-44c8-88a5-8185681679a9}</Project>
+      <Name>Core.Common.IO</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\Core\Common\src\Core.Common.Utils\Core.Common.Utils.csproj">
       <Project>{F49BD8B2-332A-4C91-A196-8CCE0A2C7D98}</Project>
       <Name>Core.Common.Utils</Name>