How To Fix 30057 - Valuation class & not allowed

30057 - Overview

• Message type: E = Error

• Message class: 30 - Service Master: Basic Data

• Message number: 057

• Message text: Valuation class & not allowed

What causes this issue?

You have entered a valuation class that is not allowed for this
service category.

How to fix this error?

Please choose a valid valuation class using F4 "Possible entries".

Error message extract from SAP system. Copyright SAP SE.

30057 - Details

• The SAP error message 30057, which states "Valuation class & not allowed," typically occurs in the context of inventory management and material valuation. This error indicates that the valuation class assigned to a material is not permitted for the transaction you are trying to perform. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Incorrect Valuation Class: The valuation class assigned to the material does not match the requirements of the transaction or the configuration in the system.
  
  Configuration Issues: The valuation class may not be properly configured in the system, or it may not be allowed for the specific movement type or transaction.
  Material Type Restrictions: Certain material types may have restrictions on which valuation classes can be used.
  Account Determination: The valuation class is linked to specific G/L accounts, and if the account determination is not set up correctly, it can lead to this error.
  
  
  Solution:
  
  
  Check Material Master: 
  
  Go to the