# Prisma Error Reference (/docs/orm/reference/errors)

Location: ORM > Reference > Prisma Error Reference

This section provides information about common errors you might encounter when using Prisma ORM and how to resolve them.

Error Categories [#error-categories]

Prisma Client Errors [#prisma-client-errors]

* [**Connection Pool Issues**](/orm/prisma-client/setup-and-configuration/databases-connections/connection-pool) - Troubleshoot connection pooling problems

Prisma Migrate Errors [#prisma-migrate-errors]

* [**Migration Overview**](/orm/prisma-migrate/understanding-prisma-migrate/mental-model) - Understanding migration concepts
* [**Shadow Database Issues**](/orm/prisma-migrate/understanding-prisma-migrate/shadow-database) - Troubleshoot shadow database problems
* [**Baselining Issues**](/orm/prisma-migrate/workflows/baselining) - Issues with baseline migrations

MongoDB Errors [#mongodb-errors]

* [**Replica Set Configuration**](/orm/core-concepts/supported-databases/mongodb) - MongoDB replica set requirements

Full Error Reference [#full-error-reference]

For a complete list of error codes and their meanings, see the [Error Reference](/orm/reference/error-reference).

## Related pages

- [`Config API`](https://www.prisma.io/docs/orm/reference/prisma-config-reference): Complete reference for prisma.config.ts configuration options
- [`Connection URLs`](https://www.prisma.io/docs/orm/reference/connection-urls): Learn about the format and syntax Prisma ORM uses for defining database connection URLs for PostgreSQL, MySQL and SQLite
- [`Database Features`](https://www.prisma.io/docs/orm/reference/database-features): Database features supported in Prisma ORM
- [`Environment Variables`](https://www.prisma.io/docs/orm/reference/environment-variables-reference): Reference for Prisma environment variables
- [`Error Reference`](https://www.prisma.io/docs/orm/reference/error-reference): Prisma Client, Migrate, and Introspection error codes