diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 5e71f8dc7b6..5c5c7510694 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -26,6 +26,7 @@
 === Bug fixes
 
 - https://github.com/eclipse-sirius/sirius-web/issues/4195[#4195] [sirius-web] Prevent objects disappearing when dropped on themselves (or a descendant) in the _Explorer_.
+- https://github.com/eclipse-sirius/sirius-web/issues/4204[#4204] [core] Prevent the changeDescriptionSink from crashing because of the related representation refresh
 
 === New Features
 
diff --git a/packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/editingcontext/EditingContextEventProcessor.java b/packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/editingcontext/EditingContextEventProcessor.java
index b9eed4fd783..2537ca5c8a2 100644
--- a/packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/editingcontext/EditingContextEventProcessor.java
+++ b/packages/core/backend/sirius-components-collaborative/src/main/java/org/eclipse/sirius/components/collaborative/editingcontext/EditingContextEventProcessor.java
@@ -157,18 +157,18 @@ private Disposable setupChangeDescriptionSinkConsumer() {
 
             var refreshRepresentationSample = Timer.start(this.meterRegistry);
 
-            RepresentationEventProcessorEntry representationEventProcessorEntry = this.representationEventProcessors.get(changeDescription.getSourceId());
-            if (representationEventProcessorEntry != null) {
-                try {
+            try {
+                RepresentationEventProcessorEntry representationEventProcessorEntry = this.representationEventProcessors.get(changeDescription.getSourceId());
+                if (representationEventProcessorEntry != null) {
                     IRepresentationEventProcessor representationEventProcessor = representationEventProcessorEntry.getRepresentationEventProcessor();
                     representationEventProcessor.refresh(changeDescription);
                     IRepresentation representation = representationEventProcessor.getRepresentation();
                     this.applicationEventPublisher.publishEvent(new RepresentationRefreshedEvent(this.editingContext.getId(), representation));
-                } catch (Exception exception) {
-                    this.logger.warn(exception.getMessage(), exception);
                 }
+                this.refreshOtherRepresentations(changeDescription);
+            } catch (Exception exception) {
+                this.logger.warn(exception.getMessage(), exception);
             }
-            this.refreshOtherRepresentations(changeDescription);
 
             var timer = this.meterRegistry.timer(Monitoring.TIMER_REFRESH_REPRESENTATION, "changeDescription", changeDescription.getSourceId());
             refreshRepresentationSample.stop(timer);
diff --git a/packages/emf/backend/sirius-components-interpreter/src/main/java/org/eclipse/sirius/components/interpreter/Result.java b/packages/emf/backend/sirius-components-interpreter/src/main/java/org/eclipse/sirius/components/interpreter/Result.java
index b452eeac51c..21a9d69b119 100644
--- a/packages/emf/backend/sirius-components-interpreter/src/main/java/org/eclipse/sirius/components/interpreter/Result.java
+++ b/packages/emf/backend/sirius-components-interpreter/src/main/java/org/eclipse/sirius/components/interpreter/Result.java
@@ -147,6 +147,6 @@ public Optional<Boolean> asBoolean() {
 
     @Override
     public String toString() {
-        return MessageFormat.format("Result { status: {0}, rawValue: {1}}", this.status, this.rawValue);
+        return MessageFormat.format("Result '{' status: {0}, rawValue: {1} '}'", this.status, this.rawValue);
     }
 }