How To Fix AJ018 - Billing transaction &1 is not permitted here

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 018

• Message text: Billing transaction &1 is not permitted here

What causes this issue?

Billing transaction (&V1&) of the billing order is not suitable for
automatic billing.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ018 - Billing transaction &1 is not permitted here ?

  The SAP error message AJ018, which states "Billing transaction &1 is not permitted here," typically occurs in the context of billing document processing within the SAP system. This error can arise due to various reasons, and understanding the cause is essential for finding an appropriate solution.
  Causes of Error AJ018
  
  
  Incorrect Billing Type: The billing type being used may not be allowed in the current context. For example, certain billing types may only be valid for specific sales document types or conditions.
  
  
  Configuration Issues: The configuration settings in the SAP system may not permit the use of the specified billing transaction in the current scenario. This could be due to missing or incorrect settings in the billing type configuration.
  
  
  Document Status: The status of the document being processed may not allow for the specified billing transaction. For instance, if the document is already billed or in a status that does not permit further billing actions, this error may occur.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the billing transaction for the specified document.
  
  
  Custom Logic: If there are custom enhancements or user exits implemented in the billing process, they may restrict certain billing transactions based on specific conditions.
  
  
  Solutions to Error AJ018
  
  
  Check Billing Type: Verify that the billing type you are trying to use is appropriate for the document type and the current processing context. You can do this by checking the configuration in the SAP system.
  
  
  Review Configuration: Go to the configuration settings for billing types in the SAP system (Transaction code: SPRO) and ensure that the billing type is correctly configured for the intended use. Check the allowed combinations of billing types and sales document types.
  
  
  Document Status Check: Review the status of the document you are trying to bill. Ensure that it is in a status that allows for the specified billing transaction.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to perform the billing transaction. This can be checked in the user roles and authorizations assigned to the user.
  
  
  Debugging Custom Logic: If there are custom enhancements or user exits, review the code to see if there are any conditions that might be causing the restriction on the billing transaction.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to billing transactions for any specific guidance or known issues related to the error message.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VF01 (Create Billing Document), VF02 (Change Billing Document), and VF03 (Display Billing Document) to navigate the billing process effectively.
  
  
  SAP Notes: Check SAP Notes for any updates or patches that may address this specific error message or related issues.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  
  By following these steps, you should be able to identify the cause of the AJ018 error and implement the appropriate solution.