How To Fix OC814 - Wrong mat.tax group: assigned mat.tax grp. & <> mat.tax grp. &

SAP Error Message - Details

• Message type: E = Error

• Message class: OC - IS-Oil: BDRP Bulk Distribution Requirement Planning messages

• Message number: 814

• Message text: Wrong mat.tax group: assigned mat.tax grp. & <> mat.tax grp. &

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 OC814 - Wrong mat.tax group: assigned mat.tax grp. & <> mat.tax grp. & ?

  The SAP error message OC814 indicates a mismatch between the material tax group assigned to a material and the tax group that is expected based on the configuration or the transaction being processed. This error typically arises in the context of materials management and tax calculations, particularly when dealing with purchasing or inventory transactions.
  Cause:
  
  
  Mismatch in Tax Groups: The material being processed has a tax group assigned that does not match the tax group expected for the transaction. This can happen if:
  
  The material master data has been incorrectly maintained.
  The tax classification in the material master does not align with the tax settings in the purchasing or sales documents.
  Changes were made to tax classifications or tax groups without updating the relevant material master records.
  
  
  
  Configuration Issues: There may be issues in the configuration of tax determination in the system, leading to incorrect tax group assignments.
  
  
  Data Entry Errors: Manual entry errors during the creation or modification of material master records or transaction documents.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify the tax classification in the accounting view.
  Ensure that the material tax group is correctly assigned according to the business requirements.
  
  
  
  Review Tax Configuration:
  
  Check the tax configuration settings in the SAP system (transaction code OB40 for tax codes and related settings).
  Ensure that the tax groups are correctly defined and that they correspond to the materials and transactions being processed.
  
  
  
  Update Material Tax Group:
  
  If the material tax group is incorrect, update it in the material master record (transaction code MM02).
  Make sure to save the changes and check if the error persists.
  
  
  
  Test Transactions:
  
  After making the necessary changes, test the transaction again to see if the error has been resolved.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidance related to your configuration and business processes.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  OB40: Maintain Tax Codes
  ME21N: Create Purchase Order (to test the transaction)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  User Roles: Ensure that users have the appropriate roles and authorizations to make changes to material master data and tax configurations.
  
  
  By following these steps, you should be able to identify the cause of the OC814 error and implement the necessary solutions to resolve it.