How To Fix RS_B4H_PREPARE_APD056 - No valid output fields exist.

RS_B4H_PREPARE_APD056 - Overview

• Message type: E = Error

• Message class: RS_B4H_PREPARE_APD - Message class for APD transfer prepare package

• Message number: 056

• Message text: No valid output fields exist.

Self-Explanatory Message

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RS_B4H_PREPARE_APD056 - Details

• The SAP error message RS_B4H_PREPARE_APD056: No valid output fields exist typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when working with Analysis Process Designer (APD) or when trying to execute a data flow that requires specific output fields that are not available or not properly defined.
  
  Cause:
  
  Missing Output Fields: The most common cause of this error is that the data source or transformation does not have any valid output fields defined. This can happen if the data source is not properly configured or if the fields have been removed or renamed.
  Incorrect Data Source: The data source being used may not be compatible with the expected output structure.
  Transformation Issues: If there are transformations in the data flow that do not produce any output fields, this error can occur.
  Data Model Changes: Changes in the underlying data model (like changes in InfoObjects or InfoProviders) can lead to this error