How To Fix NRSCNV391 - Replacement compound &1 is in the wrong position in object &2 (TLOGO &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 391

• Message text: Replacement compound &1 is in the wrong position in object &2 (TLOGO &3)

What causes this issue?

You want to replace a compounding InfoObject.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make sure that the following requirements are met:
The compound to replace the current compound has already been added to
all objects using this InfoObject
The compound has been added to all dependent objects using the option
1:1 mapping
For the case "DataStore object as dependent object", make sure that the
compound used as a replacement is contained as a key or non-key field of
the DataStore object, which matches the compounding InfoObject to be
replaced.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NRSCNV391 - Replacement compound &1 is in the wrong position in object &2 (TLOGO &3) ?

  The SAP error message NRSCNV391 indicates that there is an issue with the position of a replacement compound in a specific object during a conversion or migration process. This error typically arises in the context of SAP's data migration or conversion tools, particularly when dealing with the transition from older data structures to newer ones.
  Cause:
  The error occurs when the replacement compound (a specific data element or structure) is not placed correctly within the object (such as a material, BOM, or other master data) as expected by the system. This misalignment can happen due to:
  
  Incorrect Data Mapping: The mapping of fields or structures during the conversion process may not align with the expected format.
  Data Integrity Issues: The data being migrated may have inconsistencies or errors that prevent it from being placed correctly.
  Configuration Errors: The configuration settings for the migration or conversion process may not be set up correctly, leading to improper handling of replacement compounds.
  
  Solution:
  To resolve the NRSCNV391 error, you can take the following steps:
  
  
  Check Data Mapping: Review the mapping of the replacement compound to ensure that it aligns with the expected structure of the target object. Make adjustments as necessary.
  
  
  Validate Data: Perform data validation checks on the source data to identify any inconsistencies or errors that may be causing the issue. Clean up any problematic records.
  
  
  Review Configuration: Ensure that the configuration settings for the migration or conversion process are correct. This may involve checking the settings in the relevant transaction codes or customizing settings.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or known issues that can help you resolve the error.
  
  
  Use SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide insights based on the specific context of your implementation and the version of SAP you are using.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes related to data migration (e.g., LSMW, LTMC) to troubleshoot the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional guidance.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the NRSCNV391 error and implement a solution to resolve it.