Message type: E = Error
Message class:  CNV_PE_CHECK - Check Framework messages for posting engine 
Message number: 312
Message text: Split cannot be defined if condition rule is maintained
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The SAP error message CNV_PE_CHECK312 typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a split cannot be defined because a condition rule is maintained for the relevant data.
Cause: The error arises when there is an attempt to define a split for a condition that already has a rule associated with it. In SAP, condition rules are used to determine how certain data should be processed or transformed during migration. If a condition rule is already in place, the system does not allow for a split to be defined, as it could lead to inconsistencies or conflicts in the data processing logic.
Solution: To resolve this error, you can take the following steps: Review Condition Rules: Check the condition rules that are currently maintained for the relevant data. You can do this by navigating to the relevant
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