How To Fix MMRP01021 - Row &1 was not found in matrix &2

MMRP01021 - Overview

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 021

• Message text: Row &1 was not found in matrix &2

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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MMRP01021 - Details

• The SAP error message MMRP01021, which states "Row &1 was not found in matrix &2," typically occurs in the context of matrix management in SAP, particularly when dealing with material master data or similar configurations. This error indicates that the system is unable to find a specific row in a specified matrix, which could be due to various reasons.
  Causes:
  
  Missing Data: The specified row (identified by &1) does not exist in the matrix (identified by &2). This could be due to data not being maintained or incorrectly configured.
  Incorrect Configuration: The matrix might not be set up correctly, or the relevant entries may not have been created.
  Authorization Issues: The user may not have the necessary authorizations to view or access the specified matrix or row.
  Data Inconsistency: There may be inconsistencies in the data that prevent the system from locating the specified row.
  
  Solutions:
  
  Check Matrix Configuration: Verify that the matrix (e.g., pricing matrix, BOM