How To Fix /SAPAPO/TT002 - Incorrect call from FB &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TT -

• Message number: 002

• Message text: Incorrect call from FB &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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TT002 - Incorrect call from FB &1 ?

  The SAP error message /SAPAPO/TT002 Incorrect call from FB &1 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the function module or the way a function is being called. This error can arise due to various reasons, including incorrect parameters, issues with the function module itself, or problems with the data being processed.
  Causes:
  
  Incorrect Function Call: The function module is being called incorrectly, possibly due to missing or incorrect parameters.
  Data Issues: The data being passed to the function may not meet the expected format or constraints.
  Configuration Issues: There may be configuration settings in APO that are not set up correctly, leading to the function not being able to execute properly.
  Version Mismatch: There could be a mismatch between the versions of the APO components or between the APO and the ERP system.
  Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action.
  
  Solutions:
  
  Check Function Call: Review the code or process that is calling the function module. Ensure that all required parameters are being passed correctly and that they are in the expected format.
  Validate Data: Check the data being processed to ensure it meets the necessary criteria. Look for any inconsistencies or errors in the data that could be causing the issue.
  Review Configuration: Go through the configuration settings in APO to ensure everything is set up correctly. This includes checking master data, planning books, and other relevant settings.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates. Sometimes, bugs in earlier versions can lead to such errors.
  Authorization Check: Verify that the user has the necessary authorizations to execute the function. This can be done by checking the user roles and authorizations in the SAP system.
  Debugging: If you have access to the development environment, consider debugging the function call to identify the exact point of failure and the state of the parameters being passed.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. SAP Notes often provide fixes or workarounds for known issues.
  Documentation: Review the official SAP documentation for the function module in question to understand its expected behavior and requirements.
  Community Forums: Engage with the SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.