How To Fix RDM_BBY437 - Material grouping &1 is assigned more than once on the Get side

SAP Error Message - Details

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 437

• Message text: Material grouping &1 is assigned more than once on the Get side

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RDM_BBY437 - Material grouping &1 is assigned more than once on the Get side ?

  The SAP error message RDM_BBY437 indicates that a material grouping (or material group) is assigned more than once on the "Get" side of a process, which typically refers to a data transfer or mapping scenario in SAP. This error often arises in the context of data migration, integration, or during the execution of certain transactions where material groupings are involved.
  Cause:
  
  Duplicate Assignments: The primary cause of this error is that the same material grouping is being assigned to multiple entries or records in the system, which is not allowed.
  Configuration Issues: There may be a misconfiguration in the material master data or in the settings related to material groupings.
  Data Integrity Issues: The data being processed may have integrity issues, such as duplicates in the source data that are being transferred to the target system.
  
  Solution:
  
  
  Check Material Group Assignments:
  
  Review the material group assignments in the relevant tables (e.g., MARA, MARC) to identify any duplicates.
  Ensure that each material grouping is assigned uniquely to the materials in question.
  
  
  
  Data Cleansing:
  
  If duplicates are found in the source data, clean the data to ensure that each material grouping is assigned only once.
  Use tools like SAP Data Services or LSMW (Legacy System Migration Workbench) to help with data cleansing.
  
  
  
  Configuration Review:
  
  Check the configuration settings related to material groups in the SAP system to ensure they are set up correctly.
  Ensure that the material groupings are defined properly in the system and that there are no conflicting settings.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error does not reoccur.
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to analyze the relevant tables for any inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to material groupings and data transfer processes for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Migration Tools: If you are using data migration tools, ensure that they are configured correctly to handle material group assignments.
  
  By following these steps, you should be able to resolve the RDM_BBY437 error and ensure that material groupings are assigned correctly in your SAP system.