How To Fix SIPT802 - Reference is missing for billing document &1

SIPT802 - Overview

• Message type: E = Error

• Message class: SIPT - SIPT: Digital Signature Portugal

• Message number: 802

• Message text: Reference is missing for billing document &1

What causes this issue?

You have not entered a reference for your memo.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You can enter one the following as a reference for a memo:
invoice documents that did not originate from the SAP system (external
invoices) -
multiple invoices- use system transaction VF04 and manually refer to
multiple invoices.
date ranges, in the format MM.YYYY-MM.YYYY (e.g. 01.2017-03.2017)
invoice documents without a digital signature - enter the billing
document and assign the 'Non-Signed Reference' status.
service orders that are marked in Customizing activity:
<DS:SIMG.SIPT_CM_REF_S_V>Enable Service Order Documents as Reference
Documents</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIPT802 - Reference is missing for billing document &1 ?

  The SAP error message SIPT802, which states "Reference is missing for billing document &1," typically occurs in the context of billing document processing in SAP. This error indicates that the system is unable to find a reference document that is required for the billing document specified by the placeholder &1.
  Causes:
  
  Missing Reference Document: The billing document may be trying to reference a document (like a sales order, delivery, or another billing document) that does not exist or has been deleted.
  Incorrect Configuration: There may be configuration issues in the billing document settings that prevent the system from correctly identifying the reference.
  Data Inconsistencies: There could be inconsistencies in the database or issues with data integrity that lead to the reference not being found.
  User Error: The user may have entered incorrect data or parameters when creating or processing the billing document.
  
  Solutions:
  
  Check Reference Document: Verify that the reference document (e.g., sales order, delivery) exists in