How To Fix 1B898 - Unknown Error in Call Up of FM &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1B - BKK: General Texts

• Message number: 898

• Message text: Unknown Error in Call Up of FM &1

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1B898 - Unknown Error in Call Up of FM &1 ?

  The SAP error message "1B898 Unknown Error in Call Up of FM &1" typically indicates that there is an issue with a function module (FM) that is being called in the 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:
  Causes:
  
  Function Module Issues: The function module being called may not exist, may be inactive, or may have been deleted.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected input types or formats.
  System Configuration: There may be issues with the system configuration or settings that affect the execution of the function module.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  Runtime Errors: There could be runtime errors or exceptions occurring within the function module itself.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists and is active. You can do this by using transaction SE37 (Function Builder) to search for the function module name.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Parameter Validation: Check the parameters being passed to the function module. Ensure they are of the correct type and format as expected by the function module.
  Debugging: If you have access, you can debug the program or transaction that is calling the function module to identify where the error occurs.
  Check Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that may indicate issues with the transport.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Module), SE80 (Object Navigator), SE11 (Data Dictionary), SU53 (Authorization Check), ST22 (Dump Analysis).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error, including the context in which it occurs.
  Documentation: Review the documentation for the specific function module to understand its expected behavior and requirements.
  
  By following these steps, you should be able to identify the root cause of the error and implement an appropriate solution.