diff --git a/app/Api/V1/Controllers/Models/Transaction/StoreController.php b/app/Api/V1/Controllers/Models/Transaction/StoreController.php
index 29d43b8d9e..4595ee55c4 100644
--- a/app/Api/V1/Controllers/Models/Transaction/StoreController.php
+++ b/app/Api/V1/Controllers/Models/Transaction/StoreController.php
@@ -125,7 +125,7 @@ class StoreController extends Controller
 
         $selectedGroup = $collector->getGroups()->first();
         if (null === $selectedGroup) {
-            throw new FireflyException('Cannot find transaction. Possibly, a rule deleted this transaction after its creation.');
+            throw new FireflyException('200032: Cannot find transaction. Possibly, a rule deleted this transaction after its creation.');
         }
         /** @var TransactionGroupTransformer $transformer */
         $transformer = app(TransactionGroupTransformer::class);