How To Fix RDM_BBY155 - Enter only one material or one material grouping

SAP Error Message - Details

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 155

• Message text: Enter only one material or one material grouping

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 RDM_BBY155 - Enter only one material or one material grouping ?

  The SAP error message RDM_BBY155, which states "Enter only one material or one material grouping," typically occurs in the context of material management or when working with material-related transactions in SAP. This error indicates that the system expects either a single material number or a single material grouping to be entered, but multiple entries have been provided.
  Cause:
  
  Multiple Entries: The user has entered more than one material number or material grouping in a field that only allows a single entry.
  Incorrect Input: The input format may not be as expected, leading the system to interpret it as multiple entries.
  Transaction Context: The specific transaction or function being used may have restrictions on the number of materials that can be processed at one time.
  
  Solution:
  
  Check Input: Review the input fields to ensure that only one material number or one material grouping is entered. Remove any additional entries.
  Use Correct Fields: If you need to process multiple materials, check if there is a different transaction or function that allows batch processing of materials.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific transaction you are using to understand the input requirements.
  Error Handling: If you are developing or customizing a report or transaction, ensure that the logic correctly handles single versus multiple entries.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to material management, such as MM01 (Create Material), MM02 (Change Material), or others.
  Material Grouping: Material groupings are used to categorize materials for reporting and analysis. Ensure that you are familiar with how material groupings work in your SAP environment.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. Sometimes, specific patches or updates may address underlying issues.
  User Training: Ensure that users are trained on the correct procedures for entering materials in SAP to minimize errors.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who can provide more tailored assistance based on your specific SAP configuration and usage.