> ## Documentation Index
> Fetch the complete documentation index at: https://docs.forterulesengine.io/llms.txt
> Use this file to discover all available pages before exploring further.

# ErrorType

> v0.20.5

> **ErrorType** = `"INPUT"` | `"CONTRACT_READ"` | `"CONTRACT_WRITE"` | `"COMPILATION"`

Defined in: [src/modules/types.ts:676](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine-sdk/blob/40cc8388cecd8ee445b00b9df2b681cff8552ece/src/modules/types.ts#L676)

Types of errors that can occur in the rules engine