# ONNX010: invalid-ir-version

**Code:** `ONNX010`

**Name:** `invalid-ir-version`

**Severity:** error

**Category:** spec

**Target:** model

**Fixable:** No

## Message

Model ir_version is missing or invalid.

## Suggestion

Set a valid ir_version on the model.

## Details

Every ONNX model must have a valid ir_version set. This field indicates
the version of the ONNX IR specification the model conforms to.