src/main/java/com/primefactorsolutions/views/RequestRegisterView.java

@@ -191,6 +191,10 @@ public class RequestRegisterView extends VerticalLayout {
 
     private boolean isCategoryAvailable(final List<TimeOffRequest> employeeRequests,
                                         final TimeOffRequestType category) {
+        if (category == TimeOffRequestType.CUMPLEAÑOS && employee.getBirthday() == null) {
+            return false;
+        }
+
         List<TimeOffRequest> requestsByCategory = employeeRequests.stream()
                 .filter(request -> request.getCategory() == category)
                 .toList();