How To Fix IM438 - Effect not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 438

• Message text: Effect not defined

What causes this issue?

The text for the effect is not contained in Table T357A_T.

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?

You can continue processing the PM notification. However, you should
inform your system administrator of the missing information.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IM438 - Effect not defined ?

  The SAP error message IM438 ("Effect not defined") typically occurs in the context of Inventory Management or Material Management when a user attempts to perform an action that requires a specific effect to be defined for a material or transaction type, but that effect is not set up in the system.
  
  Cause:
  
  Missing Configuration: The most common cause of this error is that the necessary configuration for the material or transaction type has not been defined in the system. This could be related to movement types, valuation classes, or other settings that dictate how inventory transactions are processed.
  Incorrect Movement Type: The movement type being used may not be correctly configured to handle the specific transaction you are trying to execute.
  Master Data Issues: There may be issues with the material master data, such as missing or incorrect settings that prevent the system from determining the appropriate effect for the transaction.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the