---
title: Cusper
metaTitle: Developer Tools | Cusper
description: resolves Custom Program Errors from Solana program logs or error codes
---
# Cusper

Cusper resolves **Cus**tom **P**rogram **Er**rors from Solana program logs or error codes. It is used
by [Solita](solita) to make dealing with program errors significantly easier.

🔗 **Helpful links:**

- [GitHub Repository](https://github.com/metaplex-foundation/cusper)
- [NPM Package](https://www.npmjs.com/package/@metaplex-foundation/cusper)
- [API Docs](https://metaplex-foundation.github.io/cusper/docs/)
