How To Fix RSAN_RT701 - Value &3 for transformation field &2 is not unique. Node: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAN_RT - Messages for Runtime Analysis

• Message number: 701

• Message text: Value &3 for transformation field &2 is not unique. Node: &1

What causes this issue?

The transformation <LS>List by Data Record</> is used in node &V1&.
When this transformation is executed, the value &V3& occurs multiple
times in the source data for the transformation field &V2&.
When applied to the example in the
<DS:DE.RSAN_WB_DST_LIST_VEC>documentation for this node</>, this
corresponds to a question having been answered more than once in a
survey. If this data is to be summarized in a data record, only one
answer can be taken.

System Response

Since it is not clear which data record is the right one in this case,
processing of the analysis process is terminated.

How to fix this error?

Check the definition of the analysis process and make any necessary
changes. Define the analysis process appropriately to ensure that no
duplicate records arise. You can achieve this by using, for example, an
aggregation node in front of the current node to aggregate the data.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAN_RT701 - Value &3 for transformation field &2 is not unique. Node: &1 ?

  The SAP error message RSAN_RT701 indicates that there is a problem with the transformation field in a data flow, specifically that the value for the transformation field is not unique. This typically occurs in the context of SAP BW (Business Warehouse) when dealing with data transformations and data loading processes.
  Cause:
  The error message RSAN_RT701 is triggered when the system encounters a situation where the value for a specific transformation field is expected to be unique, but it finds multiple records with the same value. This can happen due to:
  
  Duplicate Data: The source data contains duplicate entries for the transformation field.
  Incorrect Transformation Logic: The transformation rules defined in the data flow may not be correctly set up to ensure uniqueness.
  Data Model Issues: The data model may not be designed to enforce uniqueness for the transformation field.
  
  Solution:
  To resolve the RSAN_RT701 error, you can take the following steps:
  
  
  Check Source Data: 
  
  Review the source data for duplicates. You can run queries or use tools to identify duplicate records based on the transformation field.
  If duplicates are found, you may need to clean the data at the source or adjust the data extraction process.
  
  
  
  Review Transformation Logic:
  
  Examine the transformation rules in the data flow. Ensure that the logic applied to the transformation field is correct and that it enforces uniqueness.
  If necessary, modify the transformation to aggregate or filter data to ensure that only unique values are passed through.
  
  
  
  Adjust Data Model:
  
  If the data model allows for duplicates but the transformation requires uniqueness, consider redesigning the data model to enforce uniqueness where necessary.
  You may also need to create additional keys or composite keys to ensure that the transformation field can be unique.
  
  
  
  Use Aggregation:
  
  If appropriate, consider using aggregation functions in the transformation to consolidate duplicate records into a single entry.
  
  
  
  Testing:
  
  After making changes, test the data flow again to ensure that the error is resolved and that the data is being transformed correctly.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSAN_RT701 for any specific patches or updates that may address this issue.
  Documentation: Review SAP BW documentation for best practices on data modeling and transformation design.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the RSAN_RT701 error and implement a solution to resolve it.