How To Fix UPS169 - No changes can be made to the rejected ALE distribution packet &1

UPS169 - Overview

• Message type: E = Error

• Message class: UPS - ALE Distribution Packet

• Message number: 169

• Message text: No changes can be made to the rejected ALE distribution packet &1

What causes this issue?

You want to create a correction package for distribution unit &V1&. The
distribution unit has, however, already been rejected by the target
system.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The distribution unit cannot be changed. The correction package cannot
be created.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UPS169 - Details

• The SAP error message UPS169 "No changes can be made to the rejected ALE distribution packet &1" typically occurs in the context of Application Link Enabling (ALE) when there is an issue with the distribution of data between systems. This error indicates that the ALE distribution packet has been rejected, and as a result, no further changes can be made to it.
  
  Cause:
  
  
  Data Validation Issues: The data being sent in the ALE distribution packet may not meet the validation criteria set in the receiving system. This could be due to missing mandatory fields, incorrect data formats, or other validation rules.
  
  
  Configuration Errors: There may be configuration issues in the ALE settings, such as incorrect partner profiles, message types, or distribution model settings.
  
  
  Technical Errors: There could be technical issues such as network problems, system downtime, or issues with the RFC (Remote Function Call) connections.
  
  
  Rejection by the Receiving System: The receiving system may have