How To Fix SD_DT029 - Table field &1 is specified more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_DT - DD: Messages for Tuning Objects

• Message number: 029

• Message text: Table field &1 is specified more than once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_DT029 - Table field &1 is specified more than once ?

  The SAP error message SD_DT029, which states "Table field &1 is specified more than once," typically occurs in the context of data processing or report generation in the Sales and Distribution (SD) module. This error indicates that a field in a table has been defined or referenced multiple times, which is not allowed.
  Cause:
  
  Duplicate Field Definitions: The most common cause of this error is that the same field is being included multiple times in a data structure, report, or query.
  Incorrect Data Model: If you are working with a custom data model or report, it may have been incorrectly designed, leading to duplicate field references.
  Join Conditions: If you are joining tables in a query or report, you might have inadvertently included the same field from different tables.
  
  Solution:
  
  Review Field Definitions: Check the data structure or report definition where the error is occurring. Look for the field specified in the error message and ensure it is only included once.
  Modify Queries: If you are using a query or a join, ensure that you are not selecting the same field from multiple tables. Adjust your SELECT statement or query design accordingly.
  Check Data Model: If you are working with a custom data model, review the model to ensure that fields are not duplicated in the definitions.
  Debugging: If you are unable to find the duplicate field, consider using debugging tools in SAP to trace where the error is being triggered.
  
  Related Information:
  
  Transaction Codes: You may want to check the transaction codes related to the report or data structure you are working with (e.g., SE11 for Data Dictionary, SE80 for Object Navigator).
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide additional context.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with to understand the expected structure and field usage.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.