How To Fix 6P711 - Requirements classes from MD64, MD65 and MD66 must be the same

6P711 - Overview

• Message type: E = Error

• Message class: 6P - Messages for planned independent requirements (Appl.area 60)

• Message number: 711

• Message text: Requirements classes from MD64, MD65 and MD66 must be the same

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 6P711 - Requirements classes from MD64, MD65 and MD66 must be the same ?

  The SAP error message 6P711 indicates that there is a mismatch in the requirements classes when trying to perform certain operations related to planning and production. This error typically arises when you are using transaction codes like MD64 (Change Planning) or MD65 (Change Planning for a specific material) and MD66 (Change Planning for a specific material and plant).
  
  Cause:
  The error occurs when the requirements classes for the materials involved in the planning process are not the same. Requirements classes are used in SAP to categorize different types of requirements (like sales orders, production orders, etc.) and are essential for the planning process. If you are trying to plan materials that have different requirements classes, SAP will throw this error to prevent inconsistencies in planning.
  
  Solution:
  To resolve this error, you need to ensure that the requirements classes for the materials you are working with are the same. Here are the steps you can