How To Fix SMT070 - Transformation method &1=>&2: Target field &3 already filled with &4

SMT070 - Overview

• Message type: E = Error

• Message class: SMT -

• Message number: 070

• Message text: Transformation method &1=>&2: Target field &3 already filled with &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT070 - Transformation method &1=>&2: Target field &3 already filled with &4 ?

  The SAP error message SMT070 indicates that during a data transformation process, the target field is already populated with a value, and the system is attempting to fill it again. This typically occurs in the context of data migration or data transfer processes, such as when using the SAP Data Services or SAP S/4HANA Migration Cockpit.
  
  Cause:
  The error arises when:
  
  The transformation logic is trying to write a value to a target field that already contains data.
  There may be a conflict in the mapping or transformation rules where the same target field is being populated multiple times.
  The data source may have duplicate records or the transformation logic may not be correctly handling existing values.
  
  
  Solution:
  To resolve the SMT070 error, consider the following steps:
  
  
  Review Transformation Logic:
  
  Check the transformation rules to ensure that the target field is not being populated multiple times. Adjust the logic to prevent overwriting existing values unless intended.
  
  
  
  Check Data Source:
  
  Verify the