How To Fix AP031 - Error - function cannot be executed

SAP Error Message - Details

• Message type: E = Error

• Message class: AP - Investment program messages

• Message number: 031

• Message text: Error - function cannot be executed

What causes this issue?

You wanted to delete one or more sub-trees of a capital investment
program. However, a handling error has arisen during processing.

System Response

Function not executed.

How to fix this error?

To delete a sub-tree, proceed as follows:
Position the cursor on the top item of the sub-tree you want to delete.
Choose <PF>Select</>.
In this way, mark one or more sub-trees for deletion.
Then choose <PF>Delete</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AP031 - Error - function cannot be executed ?

  The SAP error message AP031, which states "Function cannot be executed," typically indicates that there is an issue with the execution of a particular function module or transaction in the SAP system. This error can arise from various causes, and understanding the context in which it occurs is crucial for troubleshooting.
  Possible Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function or transaction.
  Configuration Errors: There may be a misconfiguration in the system settings or parameters that prevent the function from executing.
  Missing or Inactive Function Module: The function module being called may not exist, or it may be inactive in the system.
  System Errors: There could be underlying system issues, such as database problems or system inconsistencies.
  Incorrect Input Parameters: The function may require specific input parameters that are not being provided or are incorrect.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function. This can be done by reviewing the user's roles and authorizations in the SAP system.
  Review Configuration: Check the configuration settings related to the function or transaction. Ensure that all necessary settings are correctly configured.
  Verify Function Module: Use transaction SE37 to check if the function module exists and is active. If it is inactive, it may need to be activated.
  Check for System Issues: Look for any system errors or inconsistencies. This may involve checking system logs (transaction SM21) or reviewing the application logs (transaction SLG1).
  Validate Input Parameters: Ensure that all required input parameters are being provided and are in the correct format. Review the documentation for the function to confirm the expected parameters.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SU53 (Authorization Check), and SM21 (System Log).
  SAP Notes: Search for SAP Notes related to the specific function or transaction to see if there are known issues or patches available.
  Debugging: If you have access, consider debugging the function to identify where the error occurs. This can provide insights into the root cause.
  Consult Documentation: Review the SAP documentation for the specific function or transaction to understand its requirements and limitations.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.