How To Fix RSDS157 - &1: Unit field &2 is obsolete and is being deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 157

• Message text: &1: Unit field &2 is obsolete and is being deleted

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• What is the cause and solution for SAP error message RSDS157 - &1: Unit field &2 is obsolete and is being deleted ?

  The SAP error message RSDS157 indicates that a unit field in a DataSource is considered obsolete and is being deleted. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there are changes in the underlying data model or when certain fields are no longer relevant for reporting or data extraction.
  
  Cause:
  
  Obsolescence of Fields: The field in question has been marked as obsolete in the DataSource or InfoSource. This can happen due to changes in the data model, such as the removal of certain fields from the source system or changes in business requirements.
  DataSource Changes: If the DataSource has been modified (e.g., fields added or removed), it may lead to the deletion of certain fields that are no longer needed.
  Versioning Issues: Sometimes, the error can arise from versioning issues where the DataSource is not aligned with the current version of the underlying data structure.
  
  
  Solution:
  
  Check DataSource Configuration: