How To Fix RTCMMD159 - Article assignment & cannot be created above the category

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 159

• Message text: Article assignment & cannot be created above the category

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD159 - Article assignment & cannot be created above the category ?

  The SAP error message RTCMMD159 typically indicates that there is an issue with the assignment of an article (material) to a specific category in the system. This error often arises in the context of SAP Retail or SAP S/4HANA when trying to create or assign articles to a category that is not allowed or does not meet certain criteria.
  Cause:
  
  Category Restrictions: The category you are trying to assign the article to may have restrictions that prevent the assignment of certain types of articles.
  Incorrect Article Type: The article type you are trying to create or assign may not be compatible with the selected category.
  Configuration Issues: There may be configuration settings in the system that restrict the assignment of articles to certain categories.
  Missing Master Data: Required master data for the article or category may be missing or incomplete.
  
  Solution:
  
  Check Category Settings: Review the settings for the category you are trying to assign the article to. Ensure that the category allows for the type of article you are working with.
  Verify Article Type: Ensure that the article type is compatible with the category. You may need to create a different article type or choose a different category.
  Review Configuration: Check the configuration settings in the SAP system related to article and category assignments. This may involve looking at the customizing settings in SPRO.
  Complete Master Data: Ensure that all required master data for both the article and the category is complete and correctly maintained.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on article and category assignments.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage article data.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to create or assign articles to categories.
  Testing in a Sandbox: If possible, replicate the issue in a sandbox environment to test different scenarios without affecting production data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.