How To Fix CNV_20335_CHECK028 - Differences regarding currency keys detected; merge not possible

CNV_20335_CHECK028 - Overview

• Message type: E = Error

• Message class: CNV_20335_CHECK - Message Class for 20335 Checks

• Message number: 028

• Message text: Differences regarding currency keys detected; merge not possible

What causes this issue?

The participating business processes use different currencies. If you
want to merge the business processes, a currency conversion must be done
before the conversion. If not, the mapping needs to be changed.
You cannot run the transformation solution Controlling Area Merge
because certain prerequisites have not been met. Please change your
mapping accordingly or contact SAP for support by creating a ticket
using component CA-LT-CNV.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20335_CHECK028 - Details

• The SAP error message CNV_20335_CHECK028 indicates that there are differences in currency keys between the source and target systems during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  
  Cause:
  The error occurs when the system detects that the currency keys (which represent different currencies) in the source data do not match those in the target system. This can happen due to several reasons:
  
  Different Currency Configuration: The source and target systems may have different currency configurations, such as different currency types or missing currencies in the target system.
  Data Inconsistencies: There may be inconsistencies in the data being migrated, such as records that reference currencies not defined in the target system.
  Customizations: Custom developments or configurations in the source system that are not replicated in the target system can lead to mismatches.
  
  
  Solution:
  To resolve this