How To Fix RSDS038 - Select exactly one field

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 038

• Message text: Select exactly one field

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 RSDS038 - Select exactly one field ?

  The SAP error message RSDS038 ("Select exactly one field") typically occurs in the context of SAP BW (Business Warehouse) when you are trying to execute a query or a data extraction process that requires a specific selection of fields, but the selection criteria do not meet the expected conditions. This error usually indicates that the system expects you to select exactly one field from a list, but either none or multiple fields have been selected.
  Cause:
  
  Multiple Field Selection: You may have selected more than one field in a selection screen where only one is allowed.
  No Field Selected: You may not have selected any field when the system requires at least one.
  Incorrect Query Design: The query or data extraction design may have constraints that require a single field selection.
  
  Solution:
  
  Review Field Selection: Go back to the selection screen or query definition and ensure that you select exactly one field as required by the system.
  Check Query Design: If you are working with a query, check the design of the query in the Query Designer. Ensure that the characteristics and key figures are set up correctly and that the selection criteria are appropriate.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction or query you are working with to understand the expected field selection.
  Test with Different Selections: If you are unsure which field to select, try testing with different fields to see if the error persists.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transactions related to reporting and data extraction, such as RSA1 (Data Warehousing Workbench) or RSRT (Query Monitor).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the RSDS038 error and successfully execute your query or data extraction process.