Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 218
Message text: &: Performance optimization switched on; see long text
Processing of the table is optimized by means of a check statement.
There may be other table fields which are relevant for the conversion,
but are not taken into account by the check statement!
Warning and output of routine calls for the table
Check whether all table fields which are necessary for the optimization
are taken into account by the check statement.
If not, switch the optimization off for this table or modify the
respective check statement accordingly.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20200218 typically relates to performance optimization settings in the context of data migration or conversion processes, particularly when using SAP's tools for data migration (like the SAP S/4HANA Migration Cockpit or other conversion tools).
Cause: The error message indicates that performance optimization features have been activated, which may lead to certain limitations or issues during the data migration process. This can happen due to: Configuration Settings: The performance optimization settings may be configured in a way that is not compatible with the current data migration task. Data Volume: Large volumes of data being processed can trigger performance-related warnings or errors. System Resources: Insufficient system resources (CPU, memory, etc.) can also lead to performance issues during data migration.
Solution: To resolve the CNV20200218 error, consider the following steps: Review Long Text: Check the long text associated with the error message for specific details and recommendations. This can provide insights into what aspect of performance optimization
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