# Runtime Error

A problem that occurs while a compiled program is running.

## What is **Runtime Error** in C#?

**Runtime Error** — A problem that occurs while a compiled program is running.

Level: Novice · [More C# terms at this level](https://www.ask-codey.com/glossary/subjects/c-sharp/novice)

Updated: September 27, 2026

## In other subjects

- [Runtime Error in Java](https://www.ask-codey.com/glossary/runtime-error)
- [Runtime Error in JavaScript](https://www.ask-codey.com/glossary/runtime-error-javascript)

Source: https://www.ask-codey.com/glossary/runtime-error-c-sharp