Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 237
Message text: Receiver execution rule set to 'Optional'
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The SAP error message CNV_PE237, which states "Receiver execution rule set to 'Optional'," typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: The error message indicates that a certain receiver execution rule has been set to "Optional." This means that the system expects certain data or configuration to be present, but it is not mandatory for the process to continue. This can happen due to:
Configuration Issues: The migration or conversion process may have been configured incorrectly, leading to optional rules being applied where mandatory rules should be. Data Inconsistencies: The data being migrated may not meet the expected criteria, causing the system to treat certain execution rules as optional. Mapping Errors: There may be issues with how data is mapped from the source system to the target system, leading to optional
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