report an error when path does not exist.

Author: wildone

aemdesign-aem-services/src/main/java/design/aem/models/v2/lists/List.java

@@ -723,7 +723,12 @@ protected void populateChildListItems(String path, Boolean flat) {
 
         Map<String, String> childMap = new HashMap<>();
         Page rootPage = getPageManager().getPage(path);
-        childMap.put("path", rootPage.getPath());
+        if (rootPage != null) {
+            childMap.put("path", rootPage.getPath());
+        } else {
+            LOGGER.error("populateChildListItems: could not find path {}", path);
+            childMap.put("path", path);
+        }
 
         if (flat) {
             childMap.put("path.flat", "true");