Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 664
Message text: Receiver is excluded. Choose other scenario
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message "CNV_PE664 Receiver is excluded. Choose other scenario" typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: This error indicates that the specific receiver (or target system) you are trying to use for the data migration or conversion is not included in the allowed scenarios for the operation you are attempting. This could be due to several reasons:
Configuration Issues: The target system may not be properly configured to accept data from the source system. Scenario Limitations: The migration scenario you are trying to use may not support the specific receiver you have selected. Version Compatibility: There may be compatibility issues between the source and target systems, especially if they are on different versions of SAP. Authorization Issues: The user executing the migration may not have the necessary authorizations to perform
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