How To Fix MA398 - Planning method not defined in Customizing

MA398 - Overview

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 398

• Message text: Planning method not defined in Customizing

What causes this issue?

The planning method needed for this transaction has not been defined.

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?

Set the planning method for your information structure in Customizing
for Sales & Operations Planning (the step "Set parameters for info
structures and key figures").

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA398 - Planning method not defined in Customizing ?

  The SAP error message MA398, which states "Planning method not defined in Customizing," typically occurs when the system is unable to find a defined planning method for a specific material or planning scenario. This can happen in various modules, particularly in Material Requirements Planning (MRP) or Production Planning (PP).
  
  Cause:
  
  Missing Configuration: The planning method for the material has not been defined in the Customizing settings.
  Material Master Data: The material master record may not have the necessary planning parameters set up.
  Incorrect MRP Type: The MRP type assigned to the material may not be correctly configured or may not correspond to a valid planning method.
  Plant Settings: The plant settings for the material may not have the required planning method defined.
  
  
  Solution:
  To resolve the MA398 error, follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the MRP views (MRP 1, MRP 2, etc.) to ensure that the planning method is