# PIX.QMSAPI.Exceptions Namespace

## Classes

| [AlertException](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.QMSAPI.Exceptions.AlertException.htm) | Used for alert messages which should be displayed to the end user. |
| --- | --- |
| [DataValidationException](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.QMSAPI.Exceptions.DataValidationException.htm) | Represents the result of a failed validation. |