Message type: E = Error
Message class:  CNV_PE_CHECK - Check Framework messages for posting engine 
Message number: 308
Message text: Transformation rule &1 is not a split rule
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The SAP error message CNV_PE_CHECK308 indicates that a transformation rule specified in your data migration or transformation process is not recognized as a split rule. This typically occurs in the context of data conversion or migration projects, particularly when using SAP's tools for data transformation, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: Incorrect Rule Definition: The transformation rule you are trying to use may not be defined correctly as a split rule. Split rules are used to divide data into multiple parts based on certain criteria. Rule Type Mismatch: The system expects a split rule but finds a different type of transformation rule (e.g., a mapping rule).
Configuration Issues: There may be issues in the configuration of the transformation rules or the data model that prevent the system from recognizing the rule as a split rule.
Solution: Check Rule Definition: Review the transformation rule in question. Ensure that it is
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