How To Fix AJ010 - Internal: error in function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 010

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

What causes this issue?

An error has occurred (in form &v2&) during processing of function
module &v1&.

System Response

This internal error causes processing to be canceled.

How to fix this error?

Note the following:
Message text and message number
Name of the function module, error and call location
Transaction/report
Entries which caused this error
INCLUDE ISU_SAP OBJECT DOKU ID TX
Additional information about this error can be found in the details.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ010 - Internal: error in function module &1 ?

  The SAP error message AJ010, which states "Internal: error in function module &1," typically indicates that there is an issue 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. Here’s a breakdown of potential causes, solutions, and related information:
  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 errors.
  Authorization Problems: Lack of necessary authorizations for the user executing the function can trigger this error.
  System Bugs: There may be bugs in the SAP system or the specific function module that need to be addressed.
  Performance Issues: Resource constraints or performance issues in the system can lead to unexpected errors.
  Custom Code: If there are custom enhancements or modifications, they might be causing conflicts or 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.
  Debugging: If you have access, use the debugger to step through the function module to identify where the error occurs.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or invalid entries.
  Configuration Review: Check the configuration settings related to the function module to ensure they are correct.
  User Authorizations: Verify that the user has the necessary authorizations to execute the function module.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address known issues with the function module in question.
  System Performance: Monitor system performance and resource usage to ensure that the system is not under heavy load.
  Contact SAP Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and SE11 (Data Dictionary) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific function module to understand its purpose and any prerequisites.
  
  Conclusion:
  The AJ010 error can be complex, and its resolution may require a combination of the above approaches. Always ensure that you have proper backups and follow best practices when making changes to the system.