Message type: E = Error
Message class:  RSO_RES_IOBJ - InfoObject Resource 
Message number: 030
Message text: InfoObject &1 is a virtual InfoObject and cannot be checked
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The SAP error message RSO_RES_IOBJ030 indicates that you are trying to perform an operation on a virtual InfoObject, which is not allowed. Virtual InfoObjects are typically used in SAP BW (Business Warehouse) to represent data that is not physically stored in the InfoProvider but is instead derived from other sources or InfoProviders.
Cause: The error occurs when you attempt to perform actions such as checking, activating, or modifying a virtual InfoObject. Since virtual InfoObjects do not have a physical representation in the database, certain operations that are valid for regular InfoObjects cannot be performed on them.
Solution: To resolve this error, consider the following steps: Understand the Context: Determine why you are trying to check or modify the virtual InfoObject. If you are trying to validate or activate it, remember that these operations are not applicable to virtual InfoObjects. Review the InfoObject: If you need to make changes, you may need to look at the underlying
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