How To Fix CNV_20400_CHECK034 - At least one controlling area has differences in the All Currencies flag

CNV_20400_CHECK034 - Overview

• Message type: E = Error

• Message class: CNV_20400_CHECK - Messages for check functions (controlling area merge)

• Message number: 034

• Message text: At least one controlling area has differences in the All Currencies flag

What causes this issue?

Controlling areas have different settings for flag "all currencies".
Harmonization in customizing is needed before the start of controlling
area merge.
You cannot run the transformation solution <ZK>Controlling Area Merge
</>because certain prerequisites have not been met. We recommend that
you 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_20400_CHECK034 - Details

• The SAP error message CNV_20400_CHECK034 indicates that there are discrepancies in the "All Currencies" flag for at least one controlling area during a conversion or migration process. This error typically arises in the context of data migration or system conversion, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
  
  Cause:
  The error is caused by inconsistencies in the configuration of controlling areas within the SAP system. Specifically, it occurs when:
  
  One or more controlling areas have different settings for the "All Currencies" flag. This flag determines whether the controlling area allows transactions in all currencies or is restricted to specific currencies.
  The inconsistency can arise from differences in the configuration of controlling areas, especially if they are being migrated or consolidated.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Controlling Area Settings:
  
  Go to the SAP GUI and navigate to the controlling area configuration (Transaction code: OX19).
  Review the settings for each