How To Fix U6146 - Installation &1 backlog set &2: Update error table INSTSET (for &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: U6 - Message Class for BRE

• Message number: 146

• Message text: Installation &1 backlog set &2: Update error table INSTSET (for &3)

What causes this issue?

In the BRE extract table <ZH>INSTSET</>, the update for installation
&V1&, backlog set &V2& contains errors.
The fields with &V3& (ALIENPRO, AEDAT = FINDAT, EXTNUMBER) must be
completed for <ZH>all</> entries for installation &V1&, backlog set &V2&
.

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?

Contact SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message U6146 - Installation &1 backlog set &2: Update error table INSTSET (for &3) ?

  The SAP error message U6146 indicates that there is an issue with the installation backlog set during an update process. This error typically occurs when there is a problem with the update of the installation set in the system. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Data Inconsistency: There may be inconsistencies in the data related to the installation backlog set.
  Database Issues: Problems with the database, such as locks or corruption, can lead to update errors.
  Configuration Issues: Incorrect configuration settings in the system can cause the update process to fail.
  Missing Dependencies: Required components or dependencies for the installation set may be missing or not properly configured.
  Transport Issues: If the installation set is part of a transport request, issues during the transport process can lead to this error.
  
  Solution:
  
  Check Logs: Review the system logs (transaction SM21) and the update logs (transaction SM13) for more detailed error messages that can provide insights into the specific issue.
  Consistency Check: Run consistency checks on the installation backlog set to identify and resolve any inconsistencies.
  Database Check: Perform a database check to ensure there are no locks or corruption. You can use transaction DB02 to monitor database performance and issues.
  Reconfigure: If the error is due to configuration issues, review and correct the configuration settings related to the installation set.
  Transport Management: If the issue is related to transport, ensure that all required objects are included in the transport request and that the transport has been successfully imported.
  Manual Update: In some cases, you may need to manually update the error table INSTSET. This should be done with caution and ideally under the guidance of SAP support.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SM13 (Update Records), and DB02 (Database Performance).
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and error messages to expedite the troubleshooting process.
  Documentation: Review SAP documentation related to installation sets and updates for additional context and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the U6146 error in your SAP system.