diff --git a/input-cache/txcache/http___not-a-known-code-system.cache b/input-cache/txcache/http___not-a-known-code-system.cache
new file mode 100644
index 0000000..771c44a
--- /dev/null
+++ b/input-cache/txcache/http___not-a-known-code-system.cache
@@ -0,0 +1,59 @@
+-------------------------------------------------------------------------------------
+{"hierarchical" : true, "valueSet" :{
+  "resourceType" : "ValueSet",
+  "compose" : {
+    "include" : [{
+      "system" : "http://not-a-known-code-system",
+      "version" : "2.36",
+      "concept" : [{
+        "code" : "not-known-code"
+      },
+      {
+        "code" : "not-known-code"
+      }]
+    }]
+  }
+}}####
+e: {
+  "error" : "Error from server: Unable to provide support for code system http://not-a-known-code-system"
+}
+-------------------------------------------------------------------------------------
+{"code" : {
+  "system" : "http://not-a-known-code-system",
+  "code" : "not-known-code"
+}, "valueSet" :null, "lang":"en-US", "useServer":"true", "useClient":"true", "guessSystem":"false", "valueSetMode":"ALL_CHECKS"}####
+v: {
+  "display" : "",
+  "severity" : "error",
+  "error" : "The code system \"http://not-a-known-code-system\" is not known (encountered paired with code = \"not-known-code\"); The code provided (http://not-a-known-code-system#not-known-code) is not valid in the value set 'All codes known to the system' (from http://tx.fhir.org/r4)"
+}
+-------------------------------------------------------------------------------------
+{"code" : {
+  "system" : "http://not-a-known-code-system",
+  "code" : "not-known-code2"
+}, "valueSet" :null, "lang":"en-US", "useServer":"true", "useClient":"true", "guessSystem":"false", "valueSetMode":"ALL_CHECKS"}####
+v: {
+  "display" : "",
+  "severity" : "error",
+  "error" : "The code system \"http://not-a-known-code-system\" is not known (encountered paired with code = \"not-known-code2\"); The code provided (http://not-a-known-code-system#not-known-code2) is not valid in the value set 'All codes known to the system' (from http://tx.fhir.org/r4)"
+}
+-------------------------------------------------------------------------------------
+{"hierarchical" : true, "valueSet" :{
+  "resourceType" : "ValueSet",
+  "compose" : {
+    "include" : [{
+      "system" : "http://not-a-known-code-system",
+      "version" : "2.36",
+      "concept" : [{
+        "code" : "not-known-code"
+      },
+      {
+        "code" : "not-known-code2"
+      }]
+    }]
+  }
+}}####
+e: {
+  "error" : "Error from server: Unable to provide support for code system http://not-a-known-code-system"
+}
+-------------------------------------------------------------------------------------
diff --git a/input/ignoreWarnings.txt b/input/ignoreWarnings.txt
index 5d17ee0..044de31 100644
--- a/input/ignoreWarnings.txt
+++ b/input/ignoreWarnings.txt
@@ -11,6 +11,8 @@ Validate resource against profile http://hl7.org/fhir/StructureDefinition/Struct
 
 # Have verified that these examples are being checked against the expected profiles/resources.
 INFORMATION: Binary/example: Binary/example: Binary: Validate resource against profile http://hl7.org/fhir/StructureDefinition/Binary
+INFORMATION: Bundle/h1: Bundle/h1: Bundle: Validate resource against profile http://hl7.org/fhir/StructureDefinition/Bundle
+INFORMATION: Bundle/h1: Bundle/h1: Bundle.entry[0].resource.ofType(Provenance): Validate resource against profile http://hl7.org/fhir/StructureDefinition/Provenance
 INFORMATION: Patient/example: Patient/example: Patient: Validate resource against profile http://somewhere.org/fhir/uv/myig/StructureDefinition/mypatient
 
 # This is inherited from the base resource
@@ -27,3 +29,6 @@ WARNING: StructureDefinition.where(url = 'http://somewhere.org/fhir/uv/myig/Stru
 # The objective is to show a reference to an unknown code system, so these warnings are expected
 WARNING: ValueSet/valueset-no-codesystem: ValueSet/valueset-no-codesystem: ValueSet.compose[0].include[0]: Unknown System/Version specified, so Concepts and Filters can''t be checked
 WARNING: ValueSet.where(id = 'valueset-no-codesystem'): Error from server: Unable to provide support for code system http://not-a-known-code-system
+
+# We don't want a code for the change reason (and this binding shouldn't be extensible anyhow)
+WARNING: Bundle/h1: Bundle/h1: Bundle.entry[0].resource.ofType(Provenance).reason[0]: No code provided, and a code should be provided from the value set http://terminology.hl7.org/ValueSet/v3-PurposeOfUse (http://terminology.hl7.org/ValueSet/v3-PurposeOfUse)
diff --git a/input/resources/valueset-no-codesystem.xml b/input/resources/valueset-no-codesystem.xml
index d0533f5..adace25 100644
--- a/input/resources/valueset-no-codesystem.xml
+++ b/input/resources/valueset-no-codesystem.xml
@@ -7,6 +7,7 @@
   <status value="draft"/>
   <experimental value="true"/>
   <date value="2015-06-22"/>
+  <description value="A sample value set where there's no known code system"/>
   <compose>
     <include>
       <system value="http://not-a-known-code-system"/>