Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 459
Message text: Depreciation posting periods of involved company codes differ
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The SAP error message CNV20200459, which states "Depreciation posting periods of involved company codes differ," typically occurs during a migration or data transfer process, particularly when dealing with asset accounting. This error indicates that the depreciation posting periods for the company codes involved in the transaction or migration do not match, which can lead to inconsistencies in financial reporting and asset management.
Cause: Different Fiscal Year Variants: The company codes may have different fiscal year variants, which define the posting periods for depreciation. Inconsistent Configuration: The configuration settings for asset accounting may not be aligned across the company codes, leading to discrepancies in the posting periods. Migration Issues: During data migration, if the source and target company codes have different settings, this error can arise.
Solution: To resolve this error, you can take the following steps: Check Fiscal Year Variants: Go to the transaction code OB29 to check the fiscal year variants for the involved company codes. Ensure that
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