How To Fix CNV20201310 - Ext. and int. NoRg to be merged! Obj. &1,NoRg. &2,ref.subobj.&3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 310

• Message text: Ext. and int. NoRg to be merged! Obj. &1,NoRg. &2,ref.subobj.&3

What causes this issue?

The indicated number range is defined as external in a subobject, while
the same number range is defined as an internal number range in another
subobject which participates in the merge! (&V1&, number=&V2&,
reference subobject=&V3&).

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

System Response

This warning is written to the log.

How to fix this error?

The target number range inherits the external/internal characteristic
of the reference number range (the number range which belongs to the
reference subobject).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201310 - Ext. and int. NoRg to be merged! Obj. &1,NoRg. &2,ref.subobj.&3 ?

  The SAP error message CNV20201310 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are external and internal records that are supposed to be merged, but there is a conflict or issue with the records identified by the object and reference sub-object.
  Cause:
  The error message CNV20201310 can be caused by several factors, including:
  
  Data Inconsistency: There may be inconsistencies in the data being migrated, such as duplicate records or records that do not match the expected format.
  Configuration Issues: The configuration settings for the migration process may not be set up correctly, leading to conflicts in how records are identified and merged.
  Missing References: The reference sub-object may not exist or may not be correctly linked to the main object, causing the merge process to fail.
  Data Mapping Errors: There may be issues with how data is mapped from the source system to the target system, leading to conflicts during the merge.
  
  Solution:
  To resolve the error CNV20201310, you can take the following steps:
  
  Check Data Consistency: Review the data in both the source and target systems to ensure there are no duplicates or inconsistencies. Clean up any problematic records.
  Review Configuration: Ensure that the migration configuration is set up correctly. Check the mapping and transformation rules to ensure they align with the data structure.
  Validate References: Verify that all necessary references and relationships between objects and sub-objects are correctly defined and exist in the target system.
  Examine Logs: Look at the detailed logs generated during the migration process to identify specific records or issues that are causing the error.
  Test Migration: If possible, run a test migration with a smaller dataset to isolate the issue and confirm that the changes made resolve the error.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it may provide tools for data validation and error handling.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can offer insights or solutions.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.