---
title: "TabularPipelineDataError.missingColumn(operation:columnName:)"
framework: createmlcomponents
role: symbol
role_heading: Case
path: "createmlcomponents/tabularpipelinedataerror/missingcolumn(operation:columnname:)"
---

# TabularPipelineDataError.missingColumn(operation:columnName:)

A column is missing from the data frame.

## Declaration

```swift
case missingColumn(operation: String, columnName: String)
```

## See Also

### Getting the cases

- [TabularPipelineDataError.incorrectType(operation:columnName:actual:expected:)](createmlcomponents/tabularpipelinedataerror/incorrecttype(operation:columnname:actual:expected:).md)
- [TabularPipelineDataError.missingValues(operation:columnName:)](createmlcomponents/tabularpipelinedataerror/missingvalues(operation:columnname:).md)