How To Fix SIPT002 - Same combination of leading document type and series already exists

SIPT002 - Overview

• Message type: E = Error

• Message class: SIPT - SIPT: Digital Signature Portugal

• Message number: 002

• Message text: Same combination of leading document type and series already exists

What causes this issue?

In Customizing, the combination of leading document type and series is
invalid for the relevant number range interval.
For each company code and fiscal year, Customizing entries can be
created for multiple number range intervals, but each Customizing entry
must have a unique combination of leading document type and series.
Initial values are not allowed.

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

System Response

How to fix this error?

Procedure for System Administrators

Enter a different combination of leading document type and series that
is unique for the company code and the relevant fiscal year.

Error message extract from SAP system. Copyright SAP SE.

SIPT002 - Details

• The SAP error message SIPT002, which states "Same combination of leading document type and series already exists," typically occurs in the context of document management or when working with document types and number ranges in SAP. This error indicates that there is an attempt to create a new document or entry that conflicts with an existing document type and number range combination.
  
  Cause:
  
  Duplicate Document Type and Series: The error arises when you try to create a new document (like a sales order, invoice, etc.) with a document type and number series that already exists in the system.
  
  Configuration Issues: There may be a misconfiguration in the document type settings or number range settings in the SAP system.
  Custom Development: If there are custom developments or enhancements in the system, they might be inadvertently causing this conflict.
  
  
  Solution:
  
  
  Check Existing Document Types: 
  
  Go to the relevant configuration transaction (e.g., SPRO) and navigate to the document type