How To Fix EK381 - Tax determination code with quantity reference not uniquely determined

SAP Error Message - Details

• Message type: E = Error

• Message class: EK - IS-U Accounts Receivable and Payable

• Message number: 381

• Message text: Tax determination code with quantity reference not uniquely determined

What causes this issue?

The system cannot find a unique entry for the primary tax determination
ID &v1& for date &v2& and quantity &v3&.

System Response

Tax determination cannot take place; Posting of the document is
terminated.

How to fix this error?

Maintain table <DS:TRAN.EBR_TE011BR>Quantity-Dependent Tax Determination
</>.

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 EK381 - Tax determination code with quantity reference not uniquely determined ?

  The SAP error message EK381, which states "Tax determination code with quantity reference not uniquely determined," typically occurs during the processing of purchase orders or invoices when the system is unable to determine the appropriate tax code based on the provided data. This can happen for several reasons, including configuration issues or missing data.
  Causes:
  
  Multiple Tax Codes: There may be multiple tax codes defined for the same combination of criteria (e.g., country, tax type, etc.), leading to ambiguity in tax determination.
  Missing Tax Configuration: The tax determination configuration may not be set up correctly in the system, leading to the inability to determine a unique tax code.
  Incorrect Material Master Data: The material master data may not have the correct tax classification or may be missing necessary information.
  Vendor Master Data Issues: The vendor master data may not have the correct tax information or may be incomplete.
  Inconsistent Data: There may be inconsistencies between the