How To Fix FSC1029 - Internal error &1 in function module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FSC1 - FI-CA Extended: Message Class

• Message number: 029

• Message text: Internal error &1 in function module &2

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 FSC1029 - Internal error &1 in function module &2 ?

  The SAP error message FSC1029, which states "Internal error &1 in function module &2," typically indicates that there is an unexpected issue occurring within a specific function module in the SAP system. This error can arise from various underlying causes, and resolving it often requires a systematic approach.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data being processed by the function module.
  Configuration Issues: Incorrect configuration settings in the relevant modules can lead to internal errors.
  Custom Code: If there are custom enhancements or modifications in the function module, they may be causing the error.
  System Bugs: There could be a bug in the SAP system or the specific function module that needs to be addressed.
  Performance Issues: Resource limitations or performance bottlenecks can sometimes lead to internal errors.
  
  Solutions:
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases patches and updates that fix known issues.
  Analyze the Function Module: Use transaction SE37 to analyze the function module mentioned in the error message. Check for any custom code or enhancements that might be causing the issue.
  Review Data: Validate the data being processed when the error occurs. Look for any anomalies or inconsistencies that could lead to the internal error.
  Debugging: If you have access, use the debugger to step through the function module to identify where the error occurs. This can provide insights into the root cause.
  Check System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide context for the internal error.
  Consult with SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error details, including the function module name and any relevant context.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SLG1 (Application Log), and ST22 (Dump Analysis) to help diagnose the issue.
  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 the official SAP documentation for the specific module or function to understand its expected behavior and any known issues.
  
  By following these steps, you should be able to identify the cause of the FSC1029 error and implement a suitable solution.