How To Fix M3121 - Enter the new MRP data

M3121 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 121

• Message text: Enter the new MRP data

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M3121 - Enter the new MRP data ?

  The SAP error message M3121, which states "Enter the new MRP data," typically occurs in the context of Material Requirements Planning (MRP) when a user attempts to perform an action that requires MRP data to be entered or updated, but the necessary information is missing or incomplete.
  
  Cause:
  The error can be triggered by several factors, including:
  
  Missing MRP Data: The material master record may not have the required MRP data filled in, such as MRP type, lot size, or planning parameters.
  Incorrect Transaction: The transaction being executed may require MRP data that has not been set up correctly.
  Authorization Issues: The user may not have the necessary permissions to view or edit MRP data.
  System Configuration: There may be issues with the configuration of the MRP settings in the system.
  
  
  Solution:
  To resolve the M3121 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify that all