Message type: E = Error
Message class:  RPM_DATA_CONSISTNECY - Consistency messages for date and content checks 
Message number: 030
Message text: Current transfer period start &1 exceeds finish &2
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The SAP error message RPM_DATA_CONSISTNECY030 indicates a data consistency issue related to the transfer periods in the SAP system. Specifically, the error states that the current transfer period's start date exceeds the finish date, which is not valid.
Cause: This error typically arises in the context of SAP's Resource and Portfolio Management (RPM) module when there is an inconsistency in the defined transfer periods. The start date of the current transfer period should always be earlier than or equal to the finish date. If the start date is later than the finish date, it leads to this error.
Solution: To resolve this error, you can follow these steps: Check Transfer Periods: Navigate to the configuration settings for transfer periods in the RPM module. Verify the start and finish dates of the current transfer period. Ensure that the start date is not later than the finish date. Adjust Dates: If you find that the start date is indeed later than
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