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

SAP Error Message - Details

• 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 Document Dates: Review the document that triggered the error and ensure that the reference period is clearly defined and unambiguous.
  Review Fiscal Year Settings: Check the configuration of fiscal years and periods in the system. Ensure that there are no overlaps or misconfigurations that could lead to ambiguity.
  Update Master Data: Ensure that all relevant master data (e.g., company codes, fiscal year variants) is correctly set up and complete.
  Specify a Clear Reference Period: If possible, modify the document to specify a clear and unambiguous reference period that the system can recognize without confusion.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling fiscal periods and resolving ambiguities.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OB29 (for fiscal year variant) or OB52 (for open and closed periods) to check and adjust settings.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.