CLUNDO018 - Update could not be completed

SAP Error Message - Details

• Message type: E = Error

• Message class: CLUNDO - Message Class for Undo Functions in Classification

• Message number: 018

• Message text: Update could not be completed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

AnswerBot

• What is the cause and solution for SAP error message CLUNDO018 - Update could not be completed ?

  The SAP error message CLUNDO018 indicates that an update could not be completed. This error typically arises during the execution of a transaction that involves database updates, and it can be caused by various factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Database Locking Issues: The update may be blocked due to locks on the database tables that are being accessed.
  Data Consistency Errors: There may be inconsistencies in the data that prevent the update from being applied.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to perform the update.
  System Errors: There could be underlying system errors, such as memory issues or problems with the application server.
  Transport Issues: If the update is related to a transport request, there may be issues with the transport itself.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the database tables. If locks are found, you may need to wait for them to be released or manually release them if appropriate.
  Review Logs: Check the application logs using transaction code SLG1 for any additional error messages or details that can provide insight into the failure.
  Data Consistency Check: Use transaction codes like SE11 or SE14 to check the consistency of the database tables involved in the update.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the update. You can check this using transaction code SU53 after the error occurs.
  System Monitoring: Monitor the system performance and check for any memory or resource issues that could be affecting the update process.
  Re-run the Update: If the issue was transient, re-running the transaction may resolve the problem.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) to gather more information about the error.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  Documentation: Review SAP documentation and community forums for similar issues and resolutions shared by other users.
  
  By following these steps, you should be able to diagnose and potentially resolve the CLUNDO018 error in your SAP system.