Index: engine/src/main/java/org/onehippo/cm/engine/ConfigurationConfigService.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- engine/src/main/java/org/onehippo/cm/engine/ConfigurationConfigService.java	(revision 870c5084326a2f0ffec336ee19b3aa3934d81157)
+++ engine/src/main/java/org/onehippo/cm/engine/ConfigurationConfigService.java	(revision )
@@ -144,6 +144,9 @@
                               final Session session,
                               final boolean forceApply) throws RepositoryException, IOException {
 
+        throw new RuntimeException("fake");
+
+        /*
         // Note: Namespaces, once they are in the repository, cannot be changed or removed.
         //       Therefore, both the baseline configuration and the forceApply flag are immaterial
         //       to the handling of namespaces. The same applies to node types, at least, as far as
@@ -157,6 +160,7 @@
 
         computeAndWriteNodeDelta(baselineRoot, update.getConfigurationRootNode(), targetNode, forceApply, unprocessedReferences);
         postProcessReferences(unprocessedReferences);
+        */
     }
 
     private void applyNamespaces(final List<? extends NamespaceDefinition> namespaceDefinitions, final Session session)