How To Fix KG016 - Function cannot be executed at present (please wait)

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 016

• Message text: Function cannot be executed at present (please wait)

What causes this issue?

The screens for sales and profit planning are generated by the system
when the transaction is run.
Online, the system can generate 1000 screens at any one time (for all
the users of the transaction). If more than 1000 are required, the next
user must wait until another user has ended the transaction.
As the numbers of screens involved in batch-input mode must be known in
advance, it is not possible to run the planning transaction
simultaneously with several variants in batch-input mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG016 - Function cannot be executed at present (please wait) ?

  The SAP error message KG016 ("Function cannot be executed at present (please wait)") typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with processes that require system resources or when a certain function is temporarily unavailable. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  System Load: The system may be experiencing high load or resource contention, causing certain functions to be temporarily unavailable.
  Background Jobs: A background job that is currently running may be locking the resources needed for the function you are trying to execute.
  Transaction Locking: The transaction you are trying to execute may be locked by another user or process.
  Configuration Issues: There may be configuration issues in the CO module that prevent the function from executing.
  Database Locks: Database locks may be preventing the execution of the function.
  
  Solutions:
  
  Wait and Retry: Often, simply waiting a few moments and then retrying the operation can resolve the issue, especially if it is related to system load or temporary locks.
  Check Background Jobs: Use transaction codes like SM37 to check for any long-running background jobs that might be locking resources. If you find any, you may need to wait for them to complete or consult with your basis team.
  Transaction Monitoring: Use transaction SM12 to check for any locks on the transaction you are trying to execute. If you find locks that are no longer needed, you may be able to delete them (with caution).
  System Performance: Consult with your SAP Basis team to monitor system performance and resource usage. They may need to optimize the system or address any performance bottlenecks.
  Configuration Review: Review the configuration settings in the CO module to ensure everything is set up correctly. This may involve checking settings related to cost centers, internal orders, or other relevant areas.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM12 (Lock Entries), and SM21 (System Log) for troubleshooting.
  User Permissions: Ensure that the user executing the function has the necessary permissions to perform the action.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and potentially resolve the KG016 error in SAP.