How To Fix MDG_BS_MAT_SI020 - Duplicate entries for sales tax category &1, country &2

MDG_BS_MAT_SI020 - Overview

• Message type: E = Error

• Message class: MDG_BS_MAT_SI - Message Class : Material Replication Services Implementation

• Message number: 020

• Message text: Duplicate entries for sales tax category &1, country &2

Self-Explanatory Message

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MDG_BS_MAT_SI020 - Details

• The SAP error message MDG_BS_MAT_SI020 indicates that there are duplicate entries for a specific sales tax category in a given country within the Master Data Governance (MDG) system. This error typically arises during the creation or update of material master data when the system detects that the same sales tax category is assigned to multiple entries for the same country, which violates the uniqueness constraint.
  
  Cause:
  
  Duplicate Entries: The most common cause is that there are multiple records in the system for the same sales tax category and country combination.
  Data Migration Issues: If data was migrated from another system, it may have introduced duplicates.
  Incorrect Configuration: There may be issues in the configuration of the tax categories or the way they are assigned to materials.
  
  
  Solution:
  
  
  Identify Duplicates:
  
  Use transaction codes like SE16 or SE11 to query the relevant database tables (e.g., T007 for tax categories) to find duplicate entries for the specified sales tax category