How To Fix CNV_10210001 - &1 objects were found; &2 unknown objects

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10210 - NCE: CWB Interface

• Message number: 001

• Message text: &1 objects were found; &2 unknown objects

What causes this issue?

Several number range objects do not yet exist in knowledge base for
number range objects. Typically, these are customer-defined objects.
However, there may also be some new SAP objects (due to a higher release
for example). In this case, the objects are processed based on the
information found in tables TNRO and NRIV.

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?

Specify all relevant customer objects in the activity <ZK>Process Number
Range Objects</>.

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 CNV_10210001 - &1 objects were found; &2 unknown objects ?

  The SAP error message CNV_10210001 typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades. This error indicates that there are objects that were found during the migration process, but some of these objects are classified as "unknown," which means that the system cannot identify or process them correctly.
  Cause:
  
  Missing or Incomplete Mapping: The error may arise if there are objects in the source system that do not have a corresponding mapping in the target system.
  Data Structure Changes: Changes in the data structure between the source and target systems can lead to unknown objects.
  Configuration Issues: Incorrect configuration settings in the migration tool or the system can lead to this error.
  Custom Objects: If there are custom objects in the source system that are not recognized in the target system, they may be flagged as unknown.
  
  Solution:
  
  Review Mapping: Check the mapping configuration to ensure that all objects in the source system have corresponding entries in the target system. Update the mapping as necessary.
  Analyze Unknown Objects: Identify the unknown objects by reviewing the migration logs. Determine why they are unknown (e.g., missing definitions, custom objects).
  Update Data Structures: If the data structure has changed, update the migration tool's configuration to reflect the new structure.
  Custom Object Handling: If the unknown objects are custom, ensure that the custom objects are created in the target system or that the migration tool is configured to handle them appropriately.
  Consult Documentation: Refer to SAP documentation for the specific migration tool you are using for any additional configuration or troubleshooting steps.
  Testing: Conduct thorough testing after making changes to ensure that the migration process works as expected without errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific migration tool you are using for any known issues or patches that may address this error.
  Migration Tools: Familiarize yourself with the specific SAP migration tools (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their documentation for best practices and troubleshooting.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the CNV_10210001 error and implement a solution to resolve it.