How To Fix CD129 - &1 generation started &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CD - Change Documents

• Message number: 129

• Message text: &1 generation started &2 &3

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CD129 - &1 generation started &2 &3 ?

  The SAP error message CD129 typically indicates an issue related to the generation of a document or a process in the SAP system. The message format you provided suggests that it is related to a specific generation process, with placeholders for additional information (like &1, &2, and &3) that would provide context about what is being generated and any relevant details.
  Cause:
  The error message CD129 can be caused by several factors, including but not limited to:
  
  Configuration Issues: Incorrect settings in the configuration of the relevant module (e.g., SD, MM, etc.) can lead to generation errors.
  Missing Data: Required data for the generation process may be missing or incomplete.
  Authorization Issues: The user may not have the necessary authorizations to perform the generation.
  System Errors: Technical issues or bugs in the SAP system can also lead to this error.
  Lock Entries: If another process is currently using the same data, it may cause a lock that prevents the generation from completing.
  
  Solution:
  To resolve the CD129 error, you can take the following steps:
  
  Check Configuration: Review the configuration settings related to the process you are trying to execute. Ensure that all necessary parameters are correctly set.
  Verify Data: Ensure that all required data is present and correctly entered. This includes checking master data, transaction data, and any other relevant information.
  Review Authorizations: Check if the user has the necessary authorizations to perform the action. If not, work with your security team to grant the required permissions.
  Check for Locks: Use transaction codes like SM12 to check for any lock entries that might be preventing the generation. If you find locks, determine if they can be released safely.
  Analyze Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes that might address known issues related to the error message. You can search for notes in the SAP Support Portal.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help in troubleshooting, such as SM21 (System Log), SLG1 (Application Log), and ST22 (Dump Analysis).
  Documentation: Review SAP documentation related to the specific module or process you are working with for additional insights.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the CD129 error and implement a solution to resolve it.