How To Fix RS_HCPR_MODEL079 - No assignments exist to target field '&1'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 079

• Message text: No assignments exist 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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_HCPR_MODEL079 - No assignments exist to target field '&1' ?

  The SAP error message RS_HCPR_MODEL079, which states "No assignments exist to target field '&1'," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with data modeling, particularly in the context of InfoObjects, transformations, or data flows.
  Cause:
  This error generally indicates that there is an issue with the data flow or transformation logic where the target field specified (represented by '&1') does not have any source assignments. This can happen due to several reasons:
  
  Missing Source Assignments: The target field in the transformation does not have any source fields mapped to it.
  Incorrect Transformation Logic: The transformation might be incorrectly configured, leading to no data being assigned to the target field.
  Data Model Changes: Changes in the data model (like renaming or deleting fields) that have not been reflected in the transformation.
  Activation Issues: The transformation or data model may not be activated properly, leading to inconsistencies.
  
  Solution:
  To resolve the RS_HCPR_MODEL079 error, you can follow these steps:
  
  
  Check Transformation Settings:
  
  Go to the transformation that is causing the error.
  Verify that the target field has the correct source field mapped to it. If not, you need to create or correct the mapping.
  
  
  
  Review Data Model:
  
  Ensure that the data model (InfoObjects, DSO, etc.) is correctly set up and that all necessary fields are available and activated.
  If any fields have been renamed or deleted, update the transformation accordingly.
  
  
  
  Activate Objects:
  
  Make sure that all related objects (InfoObjects, DSO, transformations) are activated. Sometimes, changes are not reflected until the objects are activated.
  
  
  
  Check for Data:
  
  Ensure that there is data available in the source that can be mapped to the target field. If the source does not contain any data, the target field will remain empty.
  
  
  
  Test the Data Flow:
  
  After making the necessary adjustments, test the data flow to ensure that data is being populated correctly in the target field.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or community forums for additional insights or similar cases.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  Data Modeling Best Practices: Familiarize yourself with best practices in data modeling within SAP BW or HANA to avoid such issues in the future.
  
  By following these steps, you should be able to identify and resolve the cause of the RS_HCPR_MODEL079 error in your SAP environment.