diff --git a/src/main/java/org/gridsuite/modification/modifications/byfilter/AbstractModificationByAssignment.java b/src/main/java/org/gridsuite/modification/modifications/byfilter/AbstractModificationByAssignment.java
index 3d4013cb..98d6b9e8 100644
--- a/src/main/java/org/gridsuite/modification/modifications/byfilter/AbstractModificationByAssignment.java
+++ b/src/main/java/org/gridsuite/modification/modifications/byfilter/AbstractModificationByAssignment.java
@@ -42,6 +42,7 @@
 public abstract class AbstractModificationByAssignment extends AbstractModification {
     public static final String VALUE_KEY_FILTER_NAME = "filterName";
     public static final String VALUE_KEY_FIELD_NAME = "fieldName";
+    public static final String VALUE_KEY_NAME = "name";
     public static final String VALUE_KEY_EQUIPMENT_NAME = "equipmentName";
     public static final String VALUE_KEY_EQUIPMENT_TYPE = "equipmentType";
     public static final String VALUE_KEY_EQUIPMENT_COUNT = "equipmentCount";
@@ -299,6 +300,16 @@ private void applyOnFilterEquipments(Network network,
                                          FilterInfos filterInfos) {
         FilterEquipments filterEquipments = filterUuidEquipmentsMap.get(filterInfos.getId());
 
+        if (filterEquipments == null) {
+            reports.add(ReportNode.newRootReportNode()
+                    .withResourceBundles(NetworkModificationReportResourceBundle.BASE_NAME)
+                    .withMessageTemplate("network.modification.filterNotFound")
+                    .withUntypedValue(VALUE_KEY_NAME, filterInfos.getName())
+                    .withSeverity(TypedValue.WARN_SEVERITY)
+                    .build());
+            return;
+        }
+
         if (CollectionUtils.isEmpty(filterEquipments.getIdentifiableAttributes())) {
             reports.add(ReportNode.newRootReportNode()
                     .withResourceBundles(NetworkModificationReportResourceBundle.BASE_NAME)
diff --git a/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/GeneratorModificationByAssignmentTest.java b/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/GeneratorModificationByAssignmentTest.java
index 954f00aa..c46f509f 100644
--- a/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/GeneratorModificationByAssignmentTest.java
+++ b/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/GeneratorModificationByAssignmentTest.java
@@ -11,6 +11,7 @@
 import com.powsybl.iidm.network.extensions.*;
 import org.gridsuite.filter.utils.EquipmentType;
 import org.gridsuite.modification.dto.FilterEquipments;
+import org.gridsuite.modification.dto.FilterInfos;
 import org.gridsuite.modification.dto.IdentifiableAttributes;
 import org.gridsuite.modification.dto.ModificationByAssignmentInfos;
 import org.gridsuite.modification.dto.byfilter.assignment.AssignmentInfos;
@@ -301,6 +302,12 @@ protected List<AssignmentInfos<?>> getAssignmentInfos() {
                 .filters(List.of(filter6))
                 .build();
 
+        DoubleAssignmentInfos assignmentInfos20 = DoubleAssignmentInfos.builder()
+            .editedField(GeneratorField.Q_PERCENT.name())
+            .value(120.)
+            .filters(List.of(new FilterInfos(UUID.randomUUID(), "filterNotFound")))
+            .build();
+
         List<AssignmentInfos<?>> infosList = super.getAssignmentInfos();
         infosList.addAll(List.of(
                 assignmentInfos1,
@@ -321,7 +328,8 @@ protected List<AssignmentInfos<?>> getAssignmentInfos() {
                 assignmentInfos16,
                 assignmentInfos17,
                 assignmentInfos18,
-                assignmentInfos19
+                assignmentInfos19,
+                assignmentInfos20
         ));
 
         return infosList;