Message type: E = Error
Message class:  RSLPO_DFG - Messages for Data-Flow Generation 
Message number: 128
Message text: 'DeltaInit without Data' is inconsistent (actual='&1', target='&2')
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The SAP error message RSLPO_DFG128 'DeltaInit without Data' is inconsistent (actual='&1', target='&2) typically occurs in the context of data extraction processes, particularly when dealing with delta initialization in SAP BW (Business Warehouse) or SAP HANA systems. This error indicates that there is a mismatch between the expected data and the actual data during a delta initialization process.
Cause: Inconsistent Delta Initialization: The error usually arises when the delta initialization process is expected to have certain data (target) but finds none (actual). This can happen if the source system does not have the expected data or if there was an issue during the data extraction process. Data Source Issues: The data source might not be properly configured, or there may be issues with the underlying data in the source system. Data Transfer Issues: There could be problems with the data transfer process, such as network issues or incorrect settings in the data transfer process. Incorrect Delta
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