How To Fix M8561 - Material & was assigned various tax codes

M8561 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 561

• Message text: Material & was assigned various tax codes

What causes this issue?

In entering or processing an invoice, you assigned material &V1& more
than one tax code. This usually does not make sense.

How to fix this error?

Check the original invoice from the supplier.
If in the original invoice the material &V1& is subject to one tax code
only, the material was assigned several tax codes in the system by
mistake.
Check all the invoice items for material &V1& in the system and make any
necessary changes. Also check if a wrong tax code was suggested in the
purchase order. If it was, change the default logik.
If in the original invoice the material &V1& is subject to several tax
codes and this was a mistake on the part of the supplier, return the
invoice to the supplier with the correction.
If in the original invoice the material &V1& is subject to several tax
codes and this is correct, ignore this warning.
&HINTS&
You can switch off this message in Customizing for Invoice Verification.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8561 - Material & was assigned various tax codes ?

  The SAP error message M8561 indicates that a material has been assigned multiple tax codes, which can lead to confusion in tax calculations and reporting. This error typically arises in the context of materials that are subject to different tax treatments based on various criteria, such as location, type of sale, or customer.
  
  Cause:
  
  Multiple Tax Codes Assigned: The material in question has been assigned more than one tax code in the system, which is not allowed for a single material in a specific context (e.g., sales order, purchase order).
  
  Configuration Issues: There may be issues in the configuration of tax codes in the system, leading to incorrect assignments.
  Material Master Data: The material master data may have been incorrectly maintained, leading to conflicting tax code assignments.
  
  
  Solution:
  
  
  Review Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the tax classification in the relevant views (e.g., Sales Org. Data, Purchasing Data).
  Ensure that