How To Fix 06021 - Not possible to process a purchase order using this function

SAP Error Message - Details

• Message type: E = Error

• Message class: 06 -

• Message number: 021

• Message text: Not possible to process a purchase order using this function

What causes this issue?

You have entered a document that cannot be processed using the selected
function.

How to fix this error?

Check the document number you entered.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 06021 - Not possible to process a purchase order using this function ?

  The SAP error message "06021 Not possible to process a purchase order using this function" typically indicates that there is an issue with the processing of a purchase order (PO) in the system. This error can arise due to various reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Incorrect PO Status: The purchase order may be in a status that does not allow for the requested action (e.g., it may be closed or already fully processed).
  Missing or Incorrect Data: Required fields or data may be missing or incorrect in the purchase order, preventing the system from processing it.
  Authorization Issues: The user may not have the necessary authorizations to perform the action on the purchase order.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the processing of certain types of purchase orders.
  Document Type Restrictions: The document type of the purchase order may not be compatible with the function being attempted.
  
  Solutions:
  
  Check PO Status: Verify the status of the purchase order. If it is closed or completed, you may need to create a new PO or adjust the existing one.
  Review Data: Ensure that all required fields in the purchase order are filled out correctly. Check for any missing or incorrect information.
  Authorization Check: Confirm that the user has the necessary permissions to process the purchase order. If not, contact your SAP administrator to obtain the required authorizations.
  Consult Configuration: Work with your SAP configuration team to review the settings related to purchase order processing. Ensure that the relevant document types and processing options are correctly configured.
  Use Alternative Functions: If the function you are trying to use is not applicable to the purchase order, consider using a different function or transaction that is appropriate for the PO type.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME23N (Display Purchase Order), ME22N (Change Purchase Order), and ME21N (Create Purchase Order) to navigate and troubleshoot POs effectively.
  SAP Notes: Check SAP Notes and Knowledge Base Articles for any known issues or patches related to this error message.
  User Documentation: Refer to SAP user documentation or training materials for guidance on processing purchase orders and understanding the implications of different statuses and document types.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or a technical consultant for further investigation.