How To Fix /LTB/EXT_CORE001 - Unexpected error during function call

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/EXT_CORE -

• Message number: 001

• Message text: Unexpected error during function call

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 /LTB/EXT_CORE001 - Unexpected error during function call ?

  The SAP error message /LTB/EXT_CORE001 Unexpected error during function call typically indicates that there is an unexpected issue occurring during the execution of a function module or method in the SAP system. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach. Here are some potential causes, solutions, and related information:
  Possible Causes:
  
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected behavior during function calls.
  Data Issues: Inconsistent or corrupted data being processed by the function can trigger this error.
  Authorization Problems: Lack of necessary authorizations for the user executing the function can result in errors.
  System Bugs: There may be bugs in the SAP software or specific enhancements that are causing the function to fail.
  Performance Issues: Resource constraints or performance bottlenecks in the system can lead to unexpected errors.
  Custom Code: If there are custom developments or enhancements, they may not be handling certain scenarios correctly.
  
  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 call to identify where the error occurs.
  Data Validation: Ensure that the data being processed is valid and consistent. Check for any missing or incorrect entries.
  Configuration Review: Verify the configuration settings related to the function being called. Ensure that all necessary settings are correctly defined.
  User Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to execute the function.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address known issues or bugs related to this error.
  System Performance: Monitor system performance and resource usage to identify any bottlenecks that may be causing the error.
  Consult with 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 Builder), 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 or method that is causing the error to understand its expected behavior and requirements.
  
  By following these steps, you should be able to diagnose and potentially resolve the /LTB/EXT_CORE001 Unexpected error during function call error in your SAP system.