Message type: E = Error
Message class:  RSO_RES_QMSGS - Messages directly related to Query Designer. 
Message number: 300
Message text: Cell &1 was converted into a help cell due to invalid references. &2
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The SAP error message RSO_RES_QMSGS300 indicates that a cell in a query result has been converted into a "help cell" due to invalid references. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when a query is executed, and certain data references cannot be resolved.
Cause: Invalid References: The most common cause of this error is that the cell in question is trying to reference data that is not available or is invalid. This can happen if: The underlying data source has changed, and the query is trying to access fields or characteristics that no longer exist. There are issues with the data model, such as missing or incorrect joins between InfoObjects. The query is using filters or variables that do not match any data in the underlying data source. Data Model Changes: If there have been recent changes to the data model (e.g., changes in InfoProviders, InfoObjects, or
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