Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 153
Message text: Particip. company codes use diff. charts of deprec. for asset valuation
The participating company codes use different charts of depreciation for
asset valuation.
Error
You cannot run the transformation solution for company code 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.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20200_CHECK153 indicates that there is a discrepancy in the charts of depreciation used for asset valuation across different participating company codes during a migration or conversion process. This error typically arises in the context of data migration, especially when using tools like the SAP S/4HANA Migration Cockpit or during the transition from legacy systems to SAP.
Cause: The error occurs when: Different company codes are configured to use different charts of depreciation. The asset accounting settings for the participating company codes do not align, leading to inconsistencies in how assets are valued and depreciated.
Solution: To resolve this error, you can take the following steps: Check Configuration: Verify the charts of depreciation assigned to each participating company code. You can do this by navigating to the configuration settings in SAP: Transaction Code: OADB (for charts of depreciation) Transaction Code: OAYZ (for company code settings) Ensure that all company codes involved in the migration are using the same
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