How To Fix MR018 - You do not have the authorization to read class &

MR018 - Overview

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 018

• Message text: You do not have the authorization to read class &

What causes this issue?

You wanted to read the characteristics for a generic material or for a
material group. However, you do not have the read authorization for the
corresponding class.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

MR018 - Details

• The SAP error message MR018, which states "You do not have the authorization to read class &," typically occurs when a user attempts to access a classification or characteristic in the SAP system for which they do not have the necessary authorization. This can happen in various modules, particularly in Materials Management (MM) or when dealing with classification data.
  
  Cause:
  
  Authorization Issues: The user lacks the necessary authorization object to read the classification data. This could be due to missing roles or authorizations assigned to the user profile.
  Class Not Defined: The class that the user is trying to access may not be defined correctly or may not exist in the system.
  User Profile Changes: Changes in user roles or profiles that remove access to certain classes or characteristics.
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check which authorization object is missing.
  Review the user’s roles and authorizations in transaction SU01