How To Fix WUF01009 - Internal error generating data: &

SAP Error Message - Details

• Message type: E = Error

• Message class: WUF01 -

• Message number: 009

• Message text: Internal error generating data: &

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 WUF01009 - Internal error generating data: & ?

  The SAP error message WUF01009, which states "Internal error generating data: &", typically indicates that there is an issue within the SAP system that is preventing it from generating the required data. This error can occur in various contexts, such as during report generation, data processing, or when executing certain transactions.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the underlying data that the system is trying to process.
  Configuration Issues: Incorrect configuration settings in the relevant modules or components can lead to this error.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using.
  Authorization Issues: Lack of proper authorizations for the user executing the transaction can also lead to internal errors.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may lead to internal errors.
  
  Solutions:
  
  Check Logs: Review the application logs (transaction SLG1) and system logs (transaction SM21) for more detailed error messages that can provide insights into the root cause.
  Data Consistency Check: Run consistency checks on the relevant data tables to identify and rectify any inconsistencies.
  Review Configuration: Verify the configuration settings related to the transaction or report that is generating the error. Ensure that all necessary settings are correctly configured.
  User Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to execute the transaction.
  System Performance: Monitor system performance and check for any resource bottlenecks. If the system is under heavy load, consider optimizing performance or scheduling the task during off-peak hours.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user IDs, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and SE11 (Data Dictionary) to investigate further.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the specific module or functionality where the error occurred for additional troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the WUF01009 error in your SAP system.