From 014d76423b39c7b3285a0655ce27ddeb20a8fb8c Mon Sep 17 00:00:00 2001
From: ctrlc03 <93448202+ctrlc03@users.noreply.github.com>
Date: Fri, 30 Aug 2024 10:44:31 +0100
Subject: [PATCH] fix: ensure project 0 can be used

---
 .../src/features/ballot/components/SubmitBallotButton.tsx      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/interface/src/features/ballot/components/SubmitBallotButton.tsx b/packages/interface/src/features/ballot/components/SubmitBallotButton.tsx
index aff8d5d..aac7389 100644
--- a/packages/interface/src/features/ballot/components/SubmitBallotButton.tsx
+++ b/packages/interface/src/features/ballot/components/SubmitBallotButton.tsx
@@ -27,7 +27,8 @@ export const SubmitBallotButton = (): JSX.Element => {
   const handleSubmitBallot = useCallback(async () => {
     const votes = ballot.votes.map(({ amount, projectId }) => {
       const index = projectIndices[projectId];
-      if (!index) {
+
+      if (index === -1 || index === undefined) {
         throw new Error("There are some problems due to project index mapping.");
       }