Message type: E = Error
Message class:  CNV20201 -  
Message number: 430
Message text: &1: No duplicates due to simul. conv. of table &3 in fiscal years <= &2
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The SAP error message CNV20201430 is related to the data migration process, specifically during the simulation conversion of a table in the context of a financial year. This error typically occurs when there are duplicate entries in the data that are being processed, and the system is set to prevent duplicates during the conversion.
Cause: The error message indicates that the system has detected potential duplicate entries in the specified table (&3) for fiscal years that are less than or equal to the specified year (&2). The simulation conversion process is designed to ensure data integrity, and as such, it will not allow duplicates to be created in the target system.
Solution: To resolve this error, you can take the following steps: Identify Duplicates: Check the source data for duplicates in the specified table. You can run queries or reports to identify any duplicate entries that may exist for the fiscal years in question. Data Cleansing:
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