From 138a8cdb2da9e66d638971e84f02097717106811 Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.ccom>
Date: Sun, 2 Apr 2023 23:07:40 +1000
Subject: [PATCH] Fix NPE in code generator

---
 .../src/org/hl7/fhir/core/generator/analysis/Analyser.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/analysis/Analyser.java b/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/analysis/Analyser.java
index fb37e4bd2..3747b5033 100644
--- a/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/analysis/Analyser.java
+++ b/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/analysis/Analyser.java
@@ -210,7 +210,7 @@ public class Analyser {
     if (ok) {
       if (cd.getValueSet() != null) {
         ValueSet vs = definitions.getValuesets().get(cd.getValueSet()); 
-        if (vs.hasName() && vs.getName().contains("ColorCodesOrRGB")) {
+        if (vs != null && vs.hasName() && vs.getName().contains("ColorCodesOrRGB")) {
           return false;
         }
         if (vs != null && vs.hasCompose() && vs.getCompose().getInclude().size() == 1) {