Message type: E = Error
Message class:  RSO_RES_HCPR - CompositeProvider 
Message number: 045
Message text: InfoProvider '&1' is not allowed for an operation node of type JOIN
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The SAP error message RSO_RES_HCPR045 indicates that there is an issue with the use of a specific InfoProvider in a JOIN operation within a data model or query. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when working with CompositeProviders or other data modeling tools.
Cause: The error occurs when you attempt to use an InfoProvider that is not compatible with the JOIN operation. This can happen for several reasons: Incompatible InfoProvider Type: The InfoProvider you are trying to use may not support JOIN operations. For example, certain types of InfoProviders (like some types of DSOs or InfoCubes) may not be allowed in a JOIN context. Modeling Restrictions: There may be restrictions in the data model that prevent certain InfoProviders from being used together in a JOIN. Data Source Configuration: The InfoProvider might not be properly configured or activated for use in the context of the JOIN operation.
Solution: To
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RSO_RES_HCPR044 InfoProvider '&1' is not allowed for a UNION under a JOIN node
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