diff --git a/fenixedu-ist-giaf-invoices/src/main/java/pt/ist/fenixedu/sap/servlet/FenixEduSapInvoiceContextListener.java b/fenixedu-ist-giaf-invoices/src/main/java/pt/ist/fenixedu/sap/servlet/FenixEduSapInvoiceContextListener.java
index 9b46791a799..381c07d4dcf 100644
--- a/fenixedu-ist-giaf-invoices/src/main/java/pt/ist/fenixedu/sap/servlet/FenixEduSapInvoiceContextListener.java
+++ b/fenixedu-ist-giaf-invoices/src/main/java/pt/ist/fenixedu/sap/servlet/FenixEduSapInvoiceContextListener.java
@@ -61,7 +61,7 @@ public void contextInitialized(final ServletContextEvent sce) {
             Signal.register(AccountingTransaction.SIGNAL_ANNUL, this::handlerAccountingTransactionAnnulment);
             Signal.register(EventState.EVENT_STATE_CHANGED, this::handlerEventStateChange);
             Signal.register(EventState.EVENT_STATE_CHANGED, this::calculateSapRequestsForCanceledEvent);
-            Signal.registerWithoutTransaction(EventState.EVENT_STATE_CHANGED, this::processEvent);
+//            Signal.registerWithoutTransaction(EventState.EVENT_STATE_CHANGED, this::processEvent);
 
             FenixFramework.getDomainModel().registerDeletionBlockerListener(Exemption.class, this::blockExemption);
             FenixFramework.getDomainModel().registerDeletionBlockerListener(Discount.class, this::blockDiscount);