How To Fix FI_LU105 - Enter a Tax on sales purchase group.

SAP Error Message - Details

• Message type: E = Error

• Message class: FI_LU - Message class for Luxembourg VAT Reporting

• Message number: 105

• Message text: Enter a Tax on sales purchase group.

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 FI_LU105 - Enter a Tax on sales purchase group. ?

  The SAP error message FI_LU105, which states "Enter a Tax on sales purchase group," typically occurs when there is a missing or incorrect configuration related to tax codes in the sales and purchase processes. This error is often encountered in the context of financial accounting (FI) and logistics (LO) when trying to post transactions that require tax information.
  Cause:
  
  Missing Tax Code: The tax code for the sales or purchase transaction is not defined in the system.
  Incorrect Configuration: The tax on sales/purchase group may not be properly assigned to the relevant tax codes in the system.
  Master Data Issues: The customer or vendor master data may not have the appropriate tax classification set up.
  Transaction Type: The transaction type being processed may not be linked to a valid tax code.
  
  Solution:
  
  
  Check Tax Code Configuration:
  
  Go to the transaction code OBYZ (for tax code determination) and ensure that the tax codes are correctly defined and assigned to the relevant sales/purchase groups.
  Verify that the tax codes are active and applicable for the relevant country and transaction type.
  
  
  
  Review Master Data:
  
  Check the customer or vendor master records (transaction codes XD02 for customers and XK02 for vendors) to ensure that the tax classification is correctly set.
  Ensure that the sales/purchase organization is correctly assigned to the customer/vendor.
  
  
  
  Assign Tax on Sales/Purchase Group:
  
  Navigate to the configuration settings for tax on sales/purchase groups (transaction code OBCL).
  Ensure that the appropriate tax on sales/purchase group is assigned to the relevant tax codes.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ (Tax Code Determination), OBCL (Tax on Sales/Purchase Group), XD02 (Change Customer), and XK02 (Change Vendor).
  SAP Notes: Check for any SAP Notes related to tax configuration issues that may provide additional insights or solutions.
  User Roles: Ensure that you have the necessary authorizations to make changes to tax configurations and master data.
  
  By following these steps, you should be able to resolve the FI_LU105 error and ensure that your tax configurations are correctly set up in SAP.