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

# CAPLfunctionIso11783PDDOnError

[Open topic with navigation](../../../../../../CANoeDEFamily.htm#Topics/CAPLFunctions/ISO11783/ISONodeLayer/Functions/CAPLfunctionIso11783PDDOnError.md)

[CAPL Functions](../../../CAPLfunctions.md) » [ISO11783](../../CAPLfunctionsISO11783Overview.md) » [ISO11783 Node Layer](../CAPLfunctionsISONLOverview.md) » Iso11783PDDOnError

# Iso11783PDDOnError (Callback)

[Valid for](../../../../Shared/FeatureAvailability.md):  CANoe DE • CANoe4SW DE

## Function Syntax

```plaintext theme={null}
void Iso11783PDDOnError( dword ecuHandle, long errorCode, dword param );
```

## Description

This function can be implemented in the CAPL program. The function is called up by the node layer when an error occurs.

## Parameters

* **ecuHandle**: Handle of the ECU
* **errorCode**: Error code
* **param**: additional parameter, dependent on the [error code](../CAPLfunctionsISONLErrorCodesPDDOnError.md)

## Return Values

—

## Example

```plaintext theme={null}
void Iso11783PDDOnError( LONG ecuHandle, LONG errorCode, LONG addParam )
{
  char buffer[256];
  Iso11783PDDGetLastErrorText ( elCount(buffer), buffer);
  write( "ERROR: %s", buffer );
}
```