diff --git a/src/controllers/04-service-controller.ts b/src/controllers/04-service-controller.ts
index 84ff6a1..33797b6 100644
--- a/src/controllers/04-service-controller.ts
+++ b/src/controllers/04-service-controller.ts
@@ -337,6 +337,12 @@ export class ServiceController extends Controller {
           );
         }
       }
+    } else {
+      throw new HttpError(
+        HttpStatus.BAD_REQUEST,
+        "Installments validate failed.",
+        "installmentsValidateFailed",
+      );
     }
 
     const record = await prisma.$transaction(
@@ -460,6 +466,12 @@ export class ServiceController extends Controller {
           );
         }
       }
+    } else {
+      throw new HttpError(
+        HttpStatus.BAD_REQUEST,
+        "Installments validate failed.",
+        "installmentsValidateFailed",
+      );
     }
 
     const record = await prisma.$transaction(async (tx) => {