How To Fix DT338 - Column & exists in & but not in &

DT338 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 338

• Message text: Column & exists in & but not in &

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT338 - Column & exists in & but not in & ?

  The SAP error message DT338 indicates that there is a discrepancy between two data structures, typically when working with Data Transfer (DT) processes, such as Data Transfer Workbench (DTW) or during data migration activities. The message states that a column exists in one structure (source) but not in another (target), which can lead to issues during data transfer or migration.
  
  Cause:
  
  Schema Mismatch: The source and target data structures (like tables or views) have different schemas. This can happen if the target system has been updated or modified, and the source system has not been aligned with these changes.
  Incorrect Mapping: During the data transfer setup, the mapping between the source and target fields may not have been configured correctly, leading to missing columns in the target structure.
  Data Model Changes: Changes in the data model (like adding or removing fields) in the target system that are not reflected in the source system can