How To Fix FINS_ML_MIG026 - MLMAA-flag is set, however T134M-WERTU is not set or null

FINS_ML_MIG026 - Overview

• Message type: E = Error

• Message class: FINS_ML_MIG - Messages for S/4HANA Material Ledger Migration

• Message number: 026

• Message text: MLMAA-flag is set, however T134M-WERTU is not set or null

Self-Explanatory Message

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FINS_ML_MIG026 - Details

• The SAP error message FINS_ML_MIG026 indicates that there is an issue related to the migration of Material Ledger (ML) data, specifically concerning the MLAA (Material Ledger Actual Activity) flag and the T134M table.
  
  Cause:
  The error occurs when the MLAA flag is set for a material, but the corresponding field WERTU in the T134M table is either not set or is null. The WERTU field is used to indicate whether the material is managed in the Material Ledger and should have a value if the MLAA flag is activated.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the T134M Table:
  
  Use transaction code SE16 or SE16N to access the T134M table.
  Look for the material in question and check the value of the WERTU field.
  If the WERTU field is null or not set, you will need to update it.
  
  
  
  Update the WERTU Field:
  
  If the material should be managed in the Material Ledger, you need to