Index: APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/UitsparingValidator.cls.xml
===================================================================
diff -u -r38154 -r39850
--- APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/UitsparingValidator.cls.xml	(.../UitsparingValidator.cls.xml)	(revision 38154)
+++ APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/UitsparingValidator.cls.xml	(.../UitsparingValidator.cls.xml)	(revision 39850)
@@ -8,8 +8,16 @@
 <ReturnType>%Boolean</ReturnType>
 <Implementation><![CDATA[
 	#dim HeeftUitsparingData As %Boolean = (+Product.UitsparingDataBreedteM_+Product.UitsparingDataBreedteX_+Product.UitsparingDataBreedteY_+Product.UitsparingDataBreedteZ1_+Product.UitsparingDataBreedteZ2)>0
-	Quit:$$$Not(HeeftUitsparingData) $$$True	
+	Quit:$$$Not(HeeftUitsparingData) $$$True
 	
+	If ((Product.Klasse="SY2") && ##class(TECH.StringUtils).Equals(Product.UitsparingDataAantalUitsparingen,"1","2") && $$$Not($$$HasLength(Product.TussenrugMateriaal))) ||
+	   ((Product.Klasse="SP2")&& (Product.RugwandMateriaal="")){
+		Set Exception = ##class(TECH.ObjectUtils.ObjectConverterCombinationException).%New()
+		Do Exception.AddCombination($classname(Product),"TussenrugMateriaal",Product.TussenrugMateriaal)
+		Do Exception.AddCombination($classname(Product),"UitsparingDataAantalUitsparingen",Product.UitsparingDataAantalUitsparingen)
+		Do Exceptions.Insert(Exception)
+	}
+	
 	If (Product.Klasse="L")&&(HeeftUitsparingData) {
 		Set Exception = ##class(TECH.ObjectUtils.ObjectConverterCombinationException).%New()
 		Do Exception.AddCombination($classname(Product),"Klasse",Product.Klasse)
Index: vhUnitTest/APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/UitsparingValidator/Test.cls.xml
===================================================================
diff -u -r38154 -r39850
--- vhUnitTest/APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/UitsparingValidator/Test.cls.xml	(.../Test.cls.xml)	(revision 38154)
+++ vhUnitTest/APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/UitsparingValidator/Test.cls.xml	(.../Test.cls.xml)	(revision 39850)
@@ -287,6 +287,7 @@
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
 	Set Product.Klasse = "SY2"
+	Set Product.TussenrugMateriaal = ##class(DOM.PM.enu.TBXRugwandMateriaal).Hout()
 	Set Product.UitsparingDataAantalUitsparingen = 1
 	Set Product.UitsparingDataBreedteZ1 = 142
 	Set Product.UitsparingDataBreedteZ2 = 0
@@ -366,6 +367,22 @@
 	Do $$$AssertTrue(Validator.IsValid(Product, .Exceptions))
 ]]></Implementation>
 </Method>
+
+<Method name="Test: Aantal uitsparingen &gt; 0 en geen materiaal -&gt; false">
+<Implementation><![CDATA[
+	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
+	Set Product.Klasse = "SY2"
+	Set Product.UitsparingDataAantalUitsparingen = 1
+	Set Product.UitsparingDataBreedteX = 1
+	Set Product.UitsparingDataBreedteY = 1
+	Set Product.UitsparingDataBreedteY = 142
+	Set Product.TussenrugMateriaal = ""
+	Set Exceptions = ##class(TECH.ExceptionList).%New()
+	Set Validator = ##class(APPS.EDI.Bestel.impl.BestelService.TandemboxBesteller.Validator.UitsparingValidator).%New()
+	
+	Do $$$AssertFalse(Validator.IsValid(Product, .Exceptions))
+]]></Implementation>
+</Method>
 </Class>