---
title: "EvaluationError.missingTranscript(evaluatorType:)"
framework: evaluations
role: symbol
role_heading: Case
path: "evaluations/evaluationerror/missingtranscript(evaluatortype:)"
---

# EvaluationError.missingTranscript(evaluatorType:)

An evaluator received a subject without the required transcript.

## Declaration

```swift
case missingTranscript(evaluatorType: String)
```

## Discussion

Discussion This occurs when using ToolCallEvaluator with a ModelSubject that has a nil transcript. Pass session.transcript.structuredTranscript when creating the ModelSubject.