How To Fix CD021 - Function pool invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: CD - Change Documents

• Message number: 021

• Message text: Function pool invalid

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 CD021 - Function pool invalid ?

  The SAP error message CD021, which states "Function pool invalid," typically occurs when there is an issue with a function pool in the SAP system. This can happen for various reasons, such as:
  Causes:
  
  Missing Function Pool: The function pool that is being referenced does not exist in the system.
  Transport Issues: If the function pool was transported from another system, it may not have been transported correctly or completely.
  Inconsistent State: The function pool may be in an inconsistent state due to incomplete activation or errors during the development process.
  Authorization Issues: The user may not have the necessary authorizations to access the function pool.
  Naming Conflicts: There may be naming conflicts with other objects in the system.
  
  Solutions:
  
  Check Existence: Verify that the function pool exists in the system. You can do this by using transaction SE80 (Object Navigator) or SE37 (Function Builder) to search for the function pool.
  Activate the Function Pool: If the function pool exists but is not activated, activate it using transaction SE80 or SE37.
  Transport Check: If the function pool was recently transported, check the transport logs for any errors. You may need to re-transport the function pool or related objects.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the function pool. You can check this in transaction SU53 or by consulting with your security team.
  Debugging: If the issue persists, you may need to debug the program or function module that is calling the function pool to identify the exact point of failure.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE37 (Function Builder), SE11 (Data Dictionary), SE24 (Class Builder).
  SAP Notes: Search for SAP Notes related to error CD021 in the SAP Support Portal for any known issues or patches.
  Documentation: Review the SAP documentation for function pools and their usage to ensure that they are being implemented correctly.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.