How To Fix RS_HCPR_MODEL078 - More than one assignment exists to target field '&1'

RS_HCPR_MODEL078 - Overview

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 078

• Message text: More than one assignment exists to target field '&1'

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 RS_HCPR_MODEL078 - More than one assignment exists to target field '&1' ?

  The SAP error message RS_HCPR_MODEL078 indicates that there is an issue with the data model in SAP BW (Business Warehouse) or SAP HANA, specifically related to the assignment of fields in a data flow or transformation. The message states that there is more than one assignment to a target field, which can lead to ambiguity in data processing.
  
  Cause:
  The error typically arises when:
  
  Multiple Source Fields: More than one source field is mapped to the same target field in a transformation or data flow. This can happen if the data model is not designed correctly or if changes were made without updating the mappings.
  Incorrect Mapping: During the design of the data model, the mappings between source and target fields may have been incorrectly defined, leading to conflicts.
  Data Model Changes: If the data model has been modified (e.g., adding new fields or changing existing ones) without properly updating the mappings, it can result