How To Fix VMP_MSG301 - You are not authorized to change Material Master

VMP_MSG301 - Overview

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 301

• Message text: You are not authorized to change Material Master

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 VMP_MSG301 - You are not authorized to change Material Master ?

  SAP Error Message:
  VMP_MSG301 You are not authorized to change Material Master
  
  
  Cause:
  This error occurs because the user attempting to change the Material Master record does not have the necessary authorization. In SAP, access to change material master data is controlled by specific authorization objects and roles. If the user’s assigned roles do not include the required authorizations, the system will prevent changes and display this message.
  
  Explanation:
  
  The Material Master is a critical data object in SAP, and changes to it are controlled tightly.
  Authorization objects related to material master changes include:
  M_MATE_MAT (Material Master: Material)
  M_MATE_WRK (Material Master: Plant)
  M_MATE_STA (Material Master: Status)
  
  
  The user must have the appropriate activity (e.g., create, change, display) allowed in these authorization objects.
  Sometimes, the authorization check is also influenced by organizational levels such as Plant, Storage Location, or Material Type.
  
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction SU53 immediately after the error occurs to display the last failed authorization check.
  This will show which authorization object