Message type: E = Error
Message class:  RSCUR - Texts for Quantities and Currencies 
Message number: 026
Message text: Parameter row &1; source key figure is initial
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The SAP error message RSCUR026 indicates that there is an issue with a parameter row in a query or report where the source key figure is initial (i.e., it has no value). This typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when working with queries, reports, or data extraction processes.
Cause: Initial Key Figure: The error suggests that the key figure you are trying to use in your query or report does not have any data associated with it. This could be due to: No data being loaded into the InfoProvider. Filters applied in the query that exclude all data. The key figure not being populated due to issues in the data extraction process. Incorrect Query Design: The query might be designed in such a way that it expects data that is not available or is incorrectly configured. Data Model Issues: There may be issues with the underlying data model,
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