How To Fix VF163 - Manually changed reference number is not permitted.

SAP Error Message - Details

• Message type: E = Error

• Message class: VF - Billing

• Message number: 163

• Message text: Manually changed reference number is not permitted.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message VF163 - Manually changed reference number is not permitted. ?

  The SAP error message VF163, which states "Manually changed reference number is not permitted," typically occurs in the context of billing documents, particularly when dealing with invoice processing in the SAP system. This error indicates that the system has detected an attempt to manually change a reference number that is not allowed due to system settings or business rules.
  Cause:
  
  System Configuration: The SAP system may be configured to prevent manual changes to certain fields, including reference numbers, to maintain data integrity and consistency.
  Document Type Restrictions: Certain document types may have restrictions on manual changes to reference numbers.
  User Authorizations: The user may not have the necessary authorizations to make changes to the reference number field.
  Business Rules: There may be specific business rules in place that dictate that reference numbers must be generated automatically and cannot be altered manually.
  
  Solution:
  
  Check Configuration: Review the configuration settings in the SAP system related to billing documents and reference numbers. This may involve checking the settings in transaction codes like SPRO (SAP Project Reference Object) to see if manual changes are allowed.
  Use Automatic Reference Numbers: If the system is set to generate reference numbers automatically, ensure that you are not trying to manually input or change these numbers.
  User Authorizations: Verify that the user has the appropriate authorizations to make changes to the document. If not, consult with your SAP security team to adjust the user's roles and permissions.
  Consult Documentation: Review any relevant documentation or guidelines provided by your organization regarding the handling of reference numbers in billing documents.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  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 understand where the error occurs.
  SAP Notes: Check for any SAP Notes related to this error message in the SAP Support Portal, as there may be specific patches or updates that address this issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the VF163 error and implement a suitable solution.