diff --git a/modules/customer-invoices/src/api/application/index.ts b/modules/customer-invoices/src/api/application/index.ts
index 8643bc2a..381b2a83 100644
--- a/modules/customer-invoices/src/api/application/index.ts
+++ b/modules/customer-invoices/src/api/application/index.ts
@@ -1,2 +1,3 @@
+export * from "./customer-invoice-application.service";
 export * from "./presenters";
 export * from "./use-cases";
diff --git a/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice-item.mapper.ts b/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice-item.mapper.ts
index 846b2fe6..9fbbb5cc 100644
--- a/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice-item.mapper.ts
+++ b/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice-item.mapper.ts
@@ -163,7 +163,7 @@ export class CustomerInvoiceItemDomainMapper
 
     if (createResult.isFailure) {
       return Result.fail(
-        new ValidationErrorCollection("Invoice item entity creation failed", [
+        new ValidationErrorCollection([
           { path: `items[${index}]`, message: createResult.error.message },
         ])
       );
diff --git a/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts b/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts
index f3c32563..c78d9dc9 100644
--- a/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts
+++ b/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts
@@ -274,9 +274,7 @@ export class CustomerInvoiceDomainMapper
 
       // 5) Si hubo errores de mapeo, devolvemos colección de validación
       if (errors.length > 0) {
-        return Result.fail(
-          new ValidationErrorCollection("Customer invoice mapping failed [mapToDomain]", errors)
-        );
+        return Result.fail(new ValidationErrorCollection(errors));
       }
 
       // 6) Construcción del agregado (Dominio)
@@ -321,9 +319,7 @@ export class CustomerInvoiceDomainMapper
 
       if (createResult.isFailure) {
         return Result.fail(
-          new ValidationErrorCollection("Customer invoice entity creation failed", [
-            { path: "invoice", message: createResult.error.message },
-          ])
+          new ValidationErrorCollection([{ path: "invoice", message: createResult.error.message }])
         );
       }
 
diff --git a/modules/customers/src/api/infrastructure/mappers/domain/customer.mapper.ts b/modules/customers/src/api/infrastructure/mappers/domain/customer.mapper.ts
index 9e4465ef..e3adbaf6 100644
--- a/modules/customers/src/api/infrastructure/mappers/domain/customer.mapper.ts
+++ b/modules/customers/src/api/infrastructure/mappers/domain/customer.mapper.ts
@@ -197,9 +197,7 @@ export class CustomerDomainMapper
 
       // Si hubo errores de mapeo, devolvemos colección de validación
       if (errors.length > 0) {
-        return Result.fail(
-          new ValidationErrorCollection("Customer props mapping failed (CustomerMapper)", errors)
-        );
+        return Result.fail(new ValidationErrorCollection(errors));
       }
 
       const customerProps: CustomerProps = {