How To Fix CNV_20100396 - After conversion, account / cost element is new in account group &1

CNV_20100396 - Overview

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 396

• Message text: After conversion, account / cost element is new in account group &1

What causes this issue?

After the conversion, the G/L account or cost element &V3& will newly
lie in the account group.
Old/New account group: &V1&
Old/New Interval: &V2&
Old G/L account or cost element: &V3&
New G/L account or cost element: &V4&

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

System Response

Warning

How to fix this error?

If necessary, change the mapping for interval limits for the relevant
account group accordingly.
Alternatively you should manually check your account groups for
consistency after the conversion.

Error message extract from SAP system. Copyright SAP SE.

CNV_20100396 - Details

• The SAP error message CNV_20100396 indicates that after a data conversion process, an account or cost element has been identified as new in the specified account group. This typically occurs during data migration or conversion activities, such as when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  
  Cause:
  The error arises when the system detects that the account or cost element being processed does not match any existing entries in the target system's account group. This can happen due to several reasons:
  
  Data Mapping Issues: The mapping of accounts or cost elements from the source system to the target system may not have been correctly defined.
  Missing Master Data: The required master data (e.g., account groups, cost elements) may not exist in the target system.
  Configuration Differences: Differences in configuration between the source and target systems can lead to discrepancies in account groups and cost elements.
  Data Quality Issues: The data being migrated