How To Fix WRF_ARTICLE_SCREENS020 - Check the "Main Assignment" indicator

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_ARTICLE_SCREENS - Message for Errors in Material Screens

• Message number: 020

• Message text: Check the "Main Assignment" indicator

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_ARTICLE_SCREENS020 - Check the "Main Assignment" indicator ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WRF_ARTICLE_SCREENS020 Check the "Main Assignment" indicator
  
  Cause:
  This error typically occurs in SAP Retail (IS-Retail) when working with articles (products) and their assignments to assortments, article hierarchies, or assortment categories. The system expects that for certain article assignments, one article must be marked as the "Main Assignment" (also known as the Main Indicator).
  
  The "Main Assignment" indicator is a flag that identifies the primary or main assignment of an article within a group or assortment.
  If this indicator is missing or not set correctly, the system cannot determine which assignment is the main one, leading to this error.
  This often happens during article master data maintenance, assortment assignment, or when creating/modifying article hierarchies or assortment categories.
  
  
  Solution:
  
  
  Check Article Assignments:
  
  Go to the transaction or application where you maintain article assignments (e.g., article master, assortment assignment).
  Verify that for each article group or assortment, exactly one article is marked as the Main Assignment.
  
  
  
  Set the Main Assignment Indicator:
  
  In the article assignment screen, look for a checkbox or field labeled "Main Assignment" or similar.
  Ensure that this checkbox is selected for the appropriate article.
  Save the changes.
  
  
  
  Consistency Check:
  
  Make sure there is only one main assignment per group or assortment.
  If multiple articles are marked as main, correct this by deselecting the indicator for all but one.
  
  
  
  Use SAP Standard Transactions:
  
  Use transactions like MM42 (Change Article), MM43 (Display Article), or specific IS-Retail transactions for assortment assignment.
  In some cases, you may need to use specific IS-Retail tools or reports to check and fix main assignment indicators.
  
  
  
  Data Correction via Reports or Programs:
  
  If the problem is widespread, SAP provides standard reports or programs to identify and fix missing or incorrect main assignment indicators.
  Consult SAP Notes or your SAP support team for relevant correction programs.
  
  
  
  
  Related Information:
  
  SAP Module: SAP IS-Retail (Industry Solution for Retail)
  Relevant Master Data: Article Master, Article Hierarchy, Assortment Assignment
  Common Transactions:
  
  MM42 - Change Article
  MM43 - Display Article
  Assortment maintenance transactions (varies by system)
  
  
  SAP Notes: Check SAP Service Marketplace or SAP ONE Support Launchpad for notes related to WRF_ARTICLE_SCREENS020 or main assignment issues.
  Impact: Without a main assignment, processes like assortment planning, pricing, and reporting may fail or produce incorrect results.
  
  
  Summary:
  The error WRF_ARTICLE_SCREENS020 indicates that the system requires a Main Assignment indicator to be set for an article within its group or assortment. To resolve it, identify the article assignments missing this indicator and set the main assignment flag correctly, ensuring only one main assignment per group.
  
  If you need help with specific transaction steps or further troubleshooting, please provide more context about where and when the error occurs.