How To Fix UCD1071 - The reference period specified in the document is ambiguous

UCD1071 - Overview

• Message type: E = Error

• Message class: UCD1 - Messages for Document and Breakdown Check

• Message number: 071

• Message text: The reference period specified in the document is ambiguous

What causes this issue?

The reference period for determining the tax rate must be the same in
all document line items. This is not given in the current document.

System Response

The document cannot be posted.

How to fix this error?

Adjust the reference period or reference fiscal year.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCD1071 - The reference period specified in the document is ambiguous ?

  The SAP error message UCD1071, which states "The reference period specified in the document is ambiguous," typically occurs in the context of financial documents or transactions where a reference period is required but is not clearly defined. This can happen in various scenarios, such as when dealing with fiscal years, periods, or when referencing specific dates in financial postings.
  
  Cause:
  
  Ambiguous Date References: The document may reference a date or period that could correspond to multiple fiscal periods or years, leading to confusion in processing.
  Incorrect Configuration: The system may not be properly configured to handle the specified reference periods, especially if there are overlapping fiscal years or periods.
  Missing or Incorrect Master Data: The master data related to the periods or fiscal years may be incomplete or incorrectly set up, causing ambiguity.
  Multiple Valid Periods: If there are multiple valid periods for the same date, the system may not know which one to use.
  
  
  Solution:
  
  Check