How To Fix RS_B4H_PREPARE_APD054 - Join cond. fields '&1 = &2' are not mapped to the output field.

RS_B4H_PREPARE_APD054 - Overview

• Message type: E = Error

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

• Message number: 054

• Message text: Join cond. fields '&1 = &2' are not mapped to the output field.

What causes this issue?

A field that is contained in the join condition must be mapped to the
output field in HCPR.

System Response

Missing output field will be added to the HCPR and both join condition
fields will be mapped to that output field automatically.

Error message extract from SAP system. Copyright SAP SE.

RS_B4H_PREPARE_APD054 - Details

• The SAP error message RS_B4H_PREPARE_APD054 indicates that there is an issue with the mapping of fields in a data flow, specifically in the context of an Analysis Process Designer (APD) or a similar data processing scenario. The message states that the join condition fields are not properly mapped to the output fields, which can lead to issues in data extraction or reporting.
  
  Cause:
  
  Field Mapping Issues: The fields specified in the join condition (e.g., &1 and &2) are not correctly mapped to the output fields in the data flow. This can happen if the fields are missing, incorrectly named, or if there is a mismatch in data types.
  Data Source Changes: If the underlying data sources have changed (e.g., fields were added, removed, or renamed), the mappings may no longer be valid.
  Configuration Errors: There may be configuration errors in the APD or the data flow setup that prevent proper mapping of fields.
  
  
  Solution:
  
  
  Check Field