How To Fix ACO101 - An error occurred when updating the table &1 (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: ACO - Error Messages for Package ACO

• Message number: 101

• Message text: An error occurred when updating the table &1 (see long text)

What causes this issue?

You want to change Customizing data in the table &v1&. However, an error
occurs when the data is written to the database.

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 Support.

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 ACO101 - An error occurred when updating the table &1 (see long text) ?

  The SAP error message ACO101 indicates that there was an issue when trying to update a specific database table. This error can occur for various reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Database Locking Issues: The table may be locked by another transaction, preventing the update from being completed.
  Data Consistency Errors: There may be inconsistencies in the data that violate database constraints (e.g., foreign key constraints).
  Authorization Issues: The user may not have the necessary permissions to update the table.
  Technical Errors: There could be a technical issue with the database or the SAP system itself, such as a connection problem or a corrupted table.
  Custom Code Issues: If there are custom enhancements or modifications, they may be causing the error during the update process.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 to check for locks on the table. If a lock is found, you may need to wait for the other transaction to complete or manually release the lock if appropriate.
  Review Data Consistency: Check the data being updated for any inconsistencies or violations of constraints. You may need to correct the data before attempting the update again.
  Verify Authorizations: Ensure that the user has the necessary authorizations to perform the update. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Check System Logs: Use transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis) to look for any related error messages or dumps that could provide more context about the issue.
  Debug Custom Code: If the error is occurring in a custom program or enhancement, you may need to debug the code to identify the root cause of the issue.
  Database Health Check: If the problem persists, consider performing a health check on the database or consulting with your database administrator to ensure there are no underlying issues.
  
  Related Information:
  
  Long Text: The error message may have a long text that provides additional details about the specific issue. You can view this by clicking on the message or using transaction SE91 to look up the message class and number.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST01 (System Trace), and SE80 (Object Navigator) for further investigation.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or open a support ticket with SAP for further assistance.