How To Fix R3501 - Assigning the application = MCS and hierarchy class = LEGN

R3501 - Overview

• Message type: E = Error

• Message class: R3 - Service API messages

• Message number: 501

• Message text: Assigning the application = MCS and hierarchy class = LEGN

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R3501 - Assigning the application = MCS and hierarchy class = LEGN ?

  The SAP error message R3501 typically indicates an issue related to the assignment of a hierarchy class in the context of the Material Classification System (MCS). This error can occur when there is a mismatch or an incorrect assignment of the application and hierarchy class in the system.
  
  Cause:
  
  Incorrect Assignment: The application (MCS) and the hierarchy class (LEGN) may not be correctly assigned in the system configuration.
  Missing Configuration: The hierarchy class may not be defined or activated for the specific application in the system.
  Data Inconsistency: There may be inconsistencies in the master data or classification data that lead to this error.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the hierarchy class.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the Material Classification System (MCS) and verify that the hierarchy class LEGN is correctly assigned to the application MCS.
  Ensure that the hierarchy class is active and properly