How To Fix MH421 - Error in accessing MLAN data of Material &1.

MH421 - Overview

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 421

• Message text: Error in accessing MLAN data of Material &1.

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 MH421 - Error in accessing MLAN data of Material &1. ?

  The SAP error message MH421, which states "Error in accessing MLAN data of Material &1," typically occurs when there is an issue with the material master data, specifically related to the MLAN (Material Master - Sales Organization Data) view. This error can arise due to various reasons, including missing data, incorrect configuration, or issues with the material master record itself.
  Causes:
  
  Missing MLAN Data: The material may not have been properly set up in the MLAN view, which contains sales organization data.
  Incorrect Material Number: The material number referenced in the error message may not exist or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the MLAN data for the specified material.
  Data Corruption: There may be corruption in the database or inconsistencies in the material master data.
  
  Configuration Issues: There may be issues with the configuration of the material master or the sales organization settings.
  
  Solutions:
  
  
  Check Material Master