How To Fix RTCMMD179 - List of materials in the & assigned to & &

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 179

• Message text: List of materials in the & assigned to & &

What causes this issue?

When multiple article assignment is active, the assignments of a
material have to be unique within a category structure.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Assign the material to a node below a different category.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD179 - List of materials in the & assigned to & & ?

  The SAP error message RTCMMD179 typically indicates that there is an issue with the list of materials assigned to a specific object, such as a production order, project, or another entity in the SAP system. This error can arise in various contexts, often related to material management or production planning.
  Cause:
  
  Missing Material Master Data: The materials listed may not exist in the system or may not be properly set up in the material master.
  Incorrect Assignment: The materials may not be correctly assigned to the relevant object (e.g., production order, project).
  Authorization Issues: The user may not have the necessary authorizations to view or manage the materials.
  Configuration Issues: There may be configuration problems in the material management or production planning modules.
  Data Inconsistencies: There could be inconsistencies in the data, such as missing or incorrect entries in related tables.
  
  Solution:
  
  Check Material Master Data: Verify that the materials in question exist in the material master and are correctly configured. You can do this by using transaction codes like MM03 (Display Material) to check the details.
  Review Assignments: Ensure that the materials are correctly assigned to the relevant object. This may involve checking the production order, project, or other related entities.
  Authorization Check: Confirm that the user has the necessary authorizations to access and manage the materials. This can be done by checking user roles and authorizations in transaction SU01 (User Maintenance).
  Configuration Review: If the issue persists, review the configuration settings in the material management and production planning modules to ensure they are set up correctly.
  Data Consistency Check: Run consistency checks or reports to identify any data inconsistencies that may be causing the error. This may involve using transaction codes like SE16N to check relevant database tables.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific error message for additional guidance and troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), CO03 (Display Production Order), and SE16N (Data Browser) for checking material and order details.
  SAP Notes: Search for SAP Notes related to RTCMMD179 for any known issues or patches that may address the error.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the RTCMMD179 error and implement a suitable solution.