How To Fix OIUX3105 - Tax class/exemption type cross-reference missing: &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: OIUX3 - Tax Reporting

• Message number: 105

• Message text: Tax class/exemption type cross-reference missing: &1 &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message OIUX3105 - Tax class/exemption type cross-reference missing: &1 &2 ?

  The SAP error message OIUX3105 indicates that there is a missing cross-reference for the tax class and exemption type in the system. This error typically arises in the context of tax determination processes, particularly when dealing with tax classifications and exemptions in the SAP system.
  Cause:
  The error occurs when the system cannot find a valid cross-reference entry for the specified tax class and exemption type. This can happen due to several reasons:
  
  Configuration Issues: The tax classification or exemption type may not be properly configured in the system.
  Missing Entries: There may be missing entries in the relevant configuration tables that link tax classes to exemption types.
  Data Entry Errors: Incorrect or incomplete data entry when setting up tax classifications or exemptions.
  Changes in Tax Regulations: Updates or changes in tax regulations that have not been reflected in the system.
  
  Solution:
  To resolve the OIUX3105 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for tax determination in your SAP system.
  Verify that the tax classes and exemption types are correctly defined and linked.
  
  
  
  Maintain Cross-Reference:
  
  Use transaction codes like OBYZ (for maintaining tax codes) or OB40 (for maintaining tax classification) to check and maintain the necessary cross-references.
  Ensure that there is a valid entry for the combination of tax class and exemption type that is causing the error.
  
  
  
  Review Master Data:
  
  Check the master data (e.g., customer/vendor master records) to ensure that the tax classification and exemption type are correctly assigned.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to tax configuration to ensure compliance with current tax regulations.
  
  
  
  Testing:
  
  After making the necessary changes, perform tests to ensure that the error no longer occurs and that tax calculations are functioning as expected.
  
  
  
  Seek Help:
  
  If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in tax configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for tax configuration, such as OBYZ, OB40, and OBCO.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional guidance on tax configuration.
  Documentation: Review SAP Help documentation for tax determination and configuration to ensure that all necessary steps have been followed.
  
  By following these steps, you should be able to identify and resolve the cause of the OIUX3105 error in your SAP system.