diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
index aa766d10f..64d8d36c3 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
@@ -668,7 +668,7 @@ public class FHIRPathEngine {
         if (sd == null) {
           throw makeException(expr, I18nConstants.FHIRPATH_UNKNOWN_CONTEXT, t);        
         }
-        types = new TypeDetails(CollectionStatus.SINGLETON, sd.getUrl());
+        types.addType(sd.getUrl());
       } else {
         String ctxt = t.substring(0, t.indexOf('.'));
         StructureDefinition sd = cu.findType(ctxt);
@@ -680,11 +680,10 @@ public class FHIRPathEngine {
           throw makeException(expr, I18nConstants.FHIRPATH_UNKNOWN_CONTEXT_ELEMENT, t);
         }
         if (ed.fixedType != null) { 
-          types = new TypeDetails(CollectionStatus.SINGLETON, ed.fixedType);
+          types.addType(ed.fixedType);
         } else if (ed.getDefinition().getType().isEmpty() || isAbstractType(ed.getDefinition().getType())) { 
-          types = new TypeDetails(CollectionStatus.SINGLETON, sd.getType()+"#"+t);
+          types.addType(sd.getType()+"#"+t);
         } else {
-          types = new TypeDetails(CollectionStatus.SINGLETON);
           for (TypeRefComponent tt : ed.getDefinition().getType()) { 
             types.addType(tt.getCode());
           }
@@ -3545,7 +3544,7 @@ public class FHIRPathEngine {
       return new TypeDetails(CollectionStatus.SINGLETON, TypeDetails.FP_DateTime);
     case Resolve : {
       checkContextReference(focus, "resolve", exp);
-      return new TypeDetails(CollectionStatus.ORDERED, "DomainResource"); 
+      return new TypeDetails(focus.getCollectionStatus(), "Resource"); 
     }
     case Extension : {
       checkParamTypes(exp, exp.getFunction().toCode(), paramTypes, new TypeDetails(CollectionStatus.SINGLETON, TypeDetails.FP_String));
diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/validation/ValidationMessage.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/validation/ValidationMessage.java
index 76028b10b..644fb6cc7 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/validation/ValidationMessage.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/validation/ValidationMessage.java
@@ -865,8 +865,12 @@ public class ValidationMessage implements Comparator<ValidationMessage>, Compara
       if (other.location != null) {
         return false;
       }
-    } else if (!location.equals(other.location)) {
-      return false;
+    } else {
+      String l1 = preprocessLocation(location);
+      String l2 = preprocessLocation(other.location);
+      if (!l1.equals(l2)) {
+        return false;
+      }
     }
     if (message == null) {
       if (other.message != null) {
@@ -890,6 +894,14 @@ public class ValidationMessage implements Comparator<ValidationMessage>, Compara
     }
     return true;
   }
+
+  private String preprocessLocation(String loc) {
+    // some locations are prefixes with a location but they're not different since the location is fixed where .match is called from 
+    if (loc.contains(": ")) {
+      return loc.substring(loc.indexOf(": ")+2);
+    }
+    return loc;
+  }
   
   
   
diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java
index 9e341a33c..fa6ada3b0 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java
@@ -5969,7 +5969,7 @@ public class InstanceValidator extends BaseValidator implements IResourceValidat
       if (ed.hasSlicing()) {
         if (slicer != null && slicer.getPath().equals(ed.getPath())) {
           String errorContext = "profile " + profile.getVersionedUrl();
-          if (!resource.getChildValue(ID).isEmpty()) {
+          if (resource.hasChild(ID) && !resource.getChildValue(ID).isEmpty()) {
             errorContext += "; instance " + resource.getChildValue("id");
           }
           throw new DefinitionException(context.formatMessage(I18nConstants.SLICE_ENCOUNTERED_MIDWAY_THROUGH_SET_PATH___ID___, slicer.getPath(), slicer.getId(), errorContext));
diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
index 960ece31e..b39da1e41 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
@@ -103,8 +103,8 @@ public class StructureDefinitionValidator extends BaseValidator {
               for (ValidationMessage msg : msgs) {
                 // we need to set the location for the context 
                 String loc = msg.getLocation();
-                if (loc.contains("#")) {
-                  msg.setLocation(stack.getLiteralPath()+".differential.element.where(path = '"+loc.substring(loc.indexOf("#")+1)+"')");
+                if (loc.startsWith("StructureDefinition.")) {
+                  msg.setLocation(stack.getLiteralPath()+loc.substring(loc.indexOf(".")));
                 } else {
                   msg.setLocation(stack.getLiteralPath());
                 }
diff --git a/org.hl7.fhir.validation/src/test/java/org/hl7/fhir/conversion/tests/SnapShotGenerationXTests.java b/org.hl7.fhir.validation/src/test/java/org/hl7/fhir/conversion/tests/SnapShotGenerationXTests.java
index 98af4d75f..2c3f2d201 100644
--- a/org.hl7.fhir.validation/src/test/java/org/hl7/fhir/conversion/tests/SnapShotGenerationXTests.java
+++ b/org.hl7.fhir.validation/src/test/java/org/hl7/fhir/conversion/tests/SnapShotGenerationXTests.java
@@ -107,7 +107,7 @@ public class SnapShotGenerationXTests {
       sort = "true".equals(test.getAttribute("sort"));
       fail = "true".equals(test.getAttribute("fail"));
       newSliceProcessing = !"false".equals(test.getAttribute("new-slice-processing"));
-      debug = false; // "true".equals(test.getAttribute("debug"));
+      debug = "true".equals(test.getAttribute("debug"));
 
       id = test.getAttribute("id");
       include = test.getAttribute("include");
@@ -510,7 +510,7 @@ public class SnapShotGenerationXTests {
     pu.setAllowUnknownProfile(AllowUnknownProfile.ALL_TYPES);
     if (test.isSort()) {
       List<String> errors = new ArrayList<String>();
-      int lastCount = output.getDifferential().getElement().size();
+//      int lastCount = output.getDifferential().getElement().size();
       pu.sortDifferential(base, output, test.getSource().getName(), errors, false);
       if (errors.size() > 0)
         throw new FHIRException("Sort failed: " + errors.toString());