Message type: E = Error
Message class:  CNV_PE_GEN - Messages for object generation 
Message number: 064
Message text: Condition TRule missing for parameter &1 and RELV_IDENT = &2
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The SAP error message CNV_PE_GEN064 indicates that there is a missing condition for a transformation rule (TRule) related to a specific parameter in the context of a data migration or conversion process. This error typically arises during the execution of a conversion program, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
Cause: The error occurs when the system expects a transformation rule (TRule) for a specific parameter (denoted as &1) and a related identifier (RELV_IDENT, denoted as &2), but it cannot find it in the configuration. This can happen due to: Missing Configuration: The transformation rules for the specified parameter have not been defined or are incomplete. Incorrect Mapping: The mapping of the source data to the target structure may not have been set up correctly. Data Model Changes: Changes in the data model or structure that have not been reflected in
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