diff --git a/contracts/events/src/errors.rs b/contracts/events/src/errors.rs
index ca38b93..2e85a35 100644
--- a/contracts/events/src/errors.rs
+++ b/contracts/events/src/errors.rs
@@ -54,7 +54,8 @@ pub enum Error {
     InvalidMilestone = 55,
     InsufficientEscrow = 56,
     WinnersAlreadySelected = 90,
-
+    WinnerNotFound = 91,
+    
     // Contributions
     BelowMinimumContribution = 57,
     InvalidContributionAmount = 58,